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Finding the Fourth Proportional to 30,297.30, 45,445.95 and 15,501.30

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Solution

The fourth proportional to 30,297.30, 45,445.95 and 15,501.30 is: 23,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.30 : 45,445.95 = 15,501.30 : x
  2. Step 2: Convert to fraction form
    30,297.30/45,445.95 = 15,501.30/x
  3. Step 3: Cross multiply
    30,297.30x = 45,445.95 × 15,501.30
  4. Step 4: Simplify right side
    30,297.30x = 704,471,304.74
  5. Step 5: Solve for x
    x = 704,471,304.74/30,297.30
  6. Step 6: Final answer
    x = 23,251.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.