Home / 39,742.86-59,565.87-21,972.81

Finding the Fourth Proportional to 39,742.86, 59,565.87 and 21,972.81

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Solution

The fourth proportional to 39,742.86, 59,565.87 and 21,972.81 is: 32,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,742.86 : 59,565.87 = 21,972.81 : x
  2. Step 2: Convert to fraction form
    39,742.86/59,565.87 = 21,972.81/x
  3. Step 3: Cross multiply
    39,742.86x = 59,565.87 × 21,972.81
  4. Step 4: Simplify right side
    39,742.86x = 1,308,829,543.99
  5. Step 5: Solve for x
    x = 1,308,829,543.99/39,742.86
  6. Step 6: Final answer
    x = 32,932.44

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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.