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Finding the Fourth Proportional to 30,305.34, 45,460.59 and 9,250.11

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Solution

The fourth proportional to 30,305.34, 45,460.59 and 9,250.11 is: 13,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.34 : 45,460.59 = 9,250.11 : x
  2. Step 2: Convert to fraction form
    30,305.34/45,460.59 = 9,250.11/x
  3. Step 3: Cross multiply
    30,305.34x = 45,460.59 × 9,250.11
  4. Step 4: Simplify right side
    30,305.34x = 420,515,458.16
  5. Step 5: Solve for x
    x = 420,515,458.16/30,305.34
  6. Step 6: Final answer
    x = 13,875.95

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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.