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Finding the Fourth Proportional to 60,288.59, 90,451.71 and 36,299.19

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Solution

The fourth proportional to 60,288.59, 90,451.71 and 36,299.19 is: 54,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,288.59 : 90,451.71 = 36,299.19 : x
  2. Step 2: Convert to fraction form
    60,288.59/90,451.71 = 36,299.19/x
  3. Step 3: Cross multiply
    60,288.59x = 90,451.71 × 36,299.19
  4. Step 4: Simplify right side
    60,288.59x = 3,283,323,807.11
  5. Step 5: Solve for x
    x = 3,283,323,807.11/60,288.59
  6. Step 6: Final answer
    x = 54,460.12

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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.