Home / 38,607.05-57,870.92-21,931.47

Finding the Fourth Proportional to 38,607.05, 57,870.92 and 21,931.47

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Solution

The fourth proportional to 38,607.05, 57,870.92 and 21,931.47 is: 32,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,607.05 : 57,870.92 = 21,931.47 : x
  2. Step 2: Convert to fraction form
    38,607.05/57,870.92 = 21,931.47/x
  3. Step 3: Cross multiply
    38,607.05x = 57,870.92 × 21,931.47
  4. Step 4: Simplify right side
    38,607.05x = 1,269,194,236.20
  5. Step 5: Solve for x
    x = 1,269,194,236.20/38,607.05
  6. Step 6: Final answer
    x = 32,874.68

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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.