Home / 38,607.55-57,871.66-21,931.97

Finding the Fourth Proportional to 38,607.55, 57,871.66 and 21,931.97

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Solution

The fourth proportional to 38,607.55, 57,871.66 and 21,931.97 is: 32,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,607.55 : 57,871.66 = 21,931.97 : x
  2. Step 2: Convert to fraction form
    38,607.55/57,871.66 = 21,931.97/x
  3. Step 3: Cross multiply
    38,607.55x = 57,871.66 × 21,931.97
  4. Step 4: Simplify right side
    38,607.55x = 1,269,239,510.97
  5. Step 5: Solve for x
    x = 1,269,239,510.97/38,607.55
  6. Step 6: Final answer
    x = 32,875.42

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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.