Home / 39,493.60-54,499.56-21,588.84

Finding the Fourth Proportional to 39,493.60, 54,499.56 and 21,588.84

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Solution

The fourth proportional to 39,493.60, 54,499.56 and 21,588.84 is: 29,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.60 : 54,499.56 = 21,588.84 : x
  2. Step 2: Convert to fraction form
    39,493.60/54,499.56 = 21,588.84/x
  3. Step 3: Cross multiply
    39,493.60x = 54,499.56 × 21,588.84
  4. Step 4: Simplify right side
    39,493.60x = 1,176,582,280.91
  5. Step 5: Solve for x
    x = 1,176,582,280.91/39,493.60
  6. Step 6: Final answer
    x = 29,791.72

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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.