Home / 39,557.73-54,589.98-21,652.89

Finding the Fourth Proportional to 39,557.73, 54,589.98 and 21,652.89

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Solution

The fourth proportional to 39,557.73, 54,589.98 and 21,652.89 is: 29,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,557.73 : 54,589.98 = 21,652.89 : x
  2. Step 2: Convert to fraction form
    39,557.73/54,589.98 = 21,652.89/x
  3. Step 3: Cross multiply
    39,557.73x = 54,589.98 × 21,652.89
  4. Step 4: Simplify right side
    39,557.73x = 1,182,030,708.53
  5. Step 5: Solve for x
    x = 1,182,030,708.53/39,557.73
  6. Step 6: Final answer
    x = 29,881.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.