Home / 39,140.20-58,684.80-25,772.76

Finding the Fourth Proportional to 39,140.20, 58,684.80 and 25,772.76

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Solution

The fourth proportional to 39,140.20, 58,684.80 and 25,772.76 is: 38,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.20 : 58,684.80 = 25,772.76 : x
  2. Step 2: Convert to fraction form
    39,140.20/58,684.80 = 25,772.76/x
  3. Step 3: Cross multiply
    39,140.20x = 58,684.80 × 25,772.76
  4. Step 4: Simplify right side
    39,140.20x = 1,512,469,266.05
  5. Step 5: Solve for x
    x = 1,512,469,266.05/39,140.20
  6. Step 6: Final answer
    x = 38,642.35

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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.