Home / 39,972.54-59,941.40-21,248.09

Finding the Fourth Proportional to 39,972.54, 59,941.40 and 21,248.09

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Solution

The fourth proportional to 39,972.54, 59,941.40 and 21,248.09 is: 31,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972.54 : 59,941.40 = 21,248.09 : x
  2. Step 2: Convert to fraction form
    39,972.54/59,941.40 = 21,248.09/x
  3. Step 3: Cross multiply
    39,972.54x = 59,941.40 × 21,248.09
  4. Step 4: Simplify right side
    39,972.54x = 1,273,639,855.98
  5. Step 5: Solve for x
    x = 1,273,639,855.98/39,972.54
  6. Step 6: Final answer
    x = 31,862.87

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1.5x scale

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.