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Finding the Fourth Proportional to 60,737.86, 91,088.97 and 21,287.62

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Solution

The fourth proportional to 60,737.86, 91,088.97 and 21,287.62 is: 31,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,737.86 : 91,088.97 = 21,287.62 : x
  2. Step 2: Convert to fraction form
    60,737.86/91,088.97 = 21,287.62/x
  3. Step 3: Cross multiply
    60,737.86x = 91,088.97 × 21,287.62
  4. Step 4: Simplify right side
    60,737.86x = 1,939,067,379.55
  5. Step 5: Solve for x
    x = 1,939,067,379.55/60,737.86
  6. Step 6: Final answer
    x = 31,925.18

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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.