Home / 39,480.76-54,478.20-25,352.74

Finding the Fourth Proportional to 39,480.76, 54,478.20 and 25,352.74

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Solution

The fourth proportional to 39,480.76, 54,478.20 and 25,352.74 is: 34,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,480.76 : 54,478.20 = 25,352.74 : x
  2. Step 2: Convert to fraction form
    39,480.76/54,478.20 = 25,352.74/x
  3. Step 3: Cross multiply
    39,480.76x = 54,478.20 × 25,352.74
  4. Step 4: Simplify right side
    39,480.76x = 1,381,171,640.27
  5. Step 5: Solve for x
    x = 1,381,171,640.27/39,480.76
  6. Step 6: Final answer
    x = 34,983.41

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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.