Home / 39,045.60-58,607.28-21,523.68

Finding the Fourth Proportional to 39,045.60, 58,607.28 and 21,523.68

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Solution

The fourth proportional to 39,045.60, 58,607.28 and 21,523.68 is: 32,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.60 : 58,607.28 = 21,523.68 : x
  2. Step 2: Convert to fraction form
    39,045.60/58,607.28 = 21,523.68/x
  3. Step 3: Cross multiply
    39,045.60x = 58,607.28 × 21,523.68
  4. Step 4: Simplify right side
    39,045.60x = 1,261,444,340.39
  5. Step 5: Solve for x
    x = 1,261,444,340.39/39,045.60
  6. Step 6: Final answer
    x = 32,306.95

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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.