Home / 38,646.94-57,931.18-21,972.52

Finding the Fourth Proportional to 38,646.94, 57,931.18 and 21,972.52

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Solution

The fourth proportional to 38,646.94, 57,931.18 and 21,972.52 is: 32,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,646.94 : 57,931.18 = 21,972.52 : x
  2. Step 2: Convert to fraction form
    38,646.94/57,931.18 = 21,972.52/x
  3. Step 3: Cross multiply
    38,646.94x = 57,931.18 × 21,972.52
  4. Step 4: Simplify right side
    38,646.94x = 1,272,894,011.17
  5. Step 5: Solve for x
    x = 1,272,894,011.17/38,646.94
  6. Step 6: Final answer
    x = 32,936.48

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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.