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Finding the Fourth Proportional to 60,397.04, 90,567.11 and 22,419.99

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Solution

The fourth proportional to 60,397.04, 90,567.11 and 22,419.99 is: 33,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,397.04 : 90,567.11 = 22,419.99 : x
  2. Step 2: Convert to fraction form
    60,397.04/90,567.11 = 22,419.99/x
  3. Step 3: Cross multiply
    60,397.04x = 90,567.11 × 22,419.99
  4. Step 4: Simplify right side
    60,397.04x = 2,030,513,700.53
  5. Step 5: Solve for x
    x = 2,030,513,700.53/60,397.04
  6. Step 6: Final answer
    x = 33,619.42

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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.