Home / 39,420.16-54,391.49-25,074.76

Finding the Fourth Proportional to 39,420.16, 54,391.49 and 25,074.76

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Solution

The fourth proportional to 39,420.16, 54,391.49 and 25,074.76 is: 34,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420.16 : 54,391.49 = 25,074.76 : x
  2. Step 2: Convert to fraction form
    39,420.16/54,391.49 = 25,074.76/x
  3. Step 3: Cross multiply
    39,420.16x = 54,391.49 × 25,074.76
  4. Step 4: Simplify right side
    39,420.16x = 1,363,853,432.42
  5. Step 5: Solve for x
    x = 1,363,853,432.42/39,420.16
  6. Step 6: Final answer
    x = 34,597.87

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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.