Home / 39,452.95-54,446.25-21,548.80

Finding the Fourth Proportional to 39,452.95, 54,446.25 and 21,548.80

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Solution

The fourth proportional to 39,452.95, 54,446.25 and 21,548.80 is: 29,737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,452.95 : 54,446.25 = 21,548.80 : x
  2. Step 2: Convert to fraction form
    39,452.95/54,446.25 = 21,548.80/x
  3. Step 3: Cross multiply
    39,452.95x = 54,446.25 × 21,548.80
  4. Step 4: Simplify right side
    39,452.95x = 1,173,251,352
  5. Step 5: Solve for x
    x = 1,173,251,352/39,452.95
  6. Step 6: Final answer
    x = 29,737.99

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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.