Home / 38,607.30-57,871.28-21,931.73

Finding the Fourth Proportional to 38,607.30, 57,871.28 and 21,931.73

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Solution

The fourth proportional to 38,607.30, 57,871.28 and 21,931.73 is: 32,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,607.30 : 57,871.28 = 21,931.73 : x
  2. Step 2: Convert to fraction form
    38,607.30/57,871.28 = 21,931.73/x
  3. Step 3: Cross multiply
    38,607.30x = 57,871.28 × 21,931.73
  4. Step 4: Simplify right side
    38,607.30x = 1,269,217,287.71
  5. Step 5: Solve for x
    x = 1,269,217,287.71/38,607.30
  6. Step 6: Final answer
    x = 32,875.06

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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.