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Finding the Fourth Proportional to 60,477.92, 90,718.13 and 22,008.10

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Solution

The fourth proportional to 60,477.92, 90,718.13 and 22,008.10 is: 33,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477.92 : 90,718.13 = 22,008.10 : x
  2. Step 2: Convert to fraction form
    60,477.92/90,718.13 = 22,008.10/x
  3. Step 3: Cross multiply
    60,477.92x = 90,718.13 × 22,008.10
  4. Step 4: Simplify right side
    60,477.92x = 1,996,533,195.75
  5. Step 5: Solve for x
    x = 1,996,533,195.75/60,477.92
  6. Step 6: Final answer
    x = 33,012.60

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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.