Home / 30,334.25-45,501.38-8,446.25

Finding the Fourth Proportional to 30,334.25, 45,501.38 and 8,446.25

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Solution

The fourth proportional to 30,334.25, 45,501.38 and 8,446.25 is: 12,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.25 : 45,501.38 = 8,446.25 : x
  2. Step 2: Convert to fraction form
    30,334.25/45,501.38 = 8,446.25/x
  3. Step 3: Cross multiply
    30,334.25x = 45,501.38 × 8,446.25
  4. Step 4: Simplify right side
    30,334.25x = 384,316,030.83
  5. Step 5: Solve for x
    x = 384,316,030.83/30,334.25
  6. Step 6: Final answer
    x = 12,669.38

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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.