Home / 39,761.40-54,862.98-25,612.20

Finding the Fourth Proportional to 39,761.40, 54,862.98 and 25,612.20

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Solution

The fourth proportional to 39,761.40, 54,862.98 and 25,612.20 is: 35,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.40 : 54,862.98 = 25,612.20 : x
  2. Step 2: Convert to fraction form
    39,761.40/54,862.98 = 25,612.20/x
  3. Step 3: Cross multiply
    39,761.40x = 54,862.98 × 25,612.20
  4. Step 4: Simplify right side
    39,761.40x = 1,405,161,616.36
  5. Step 5: Solve for x
    x = 1,405,161,616.36/39,761.40
  6. Step 6: Final answer
    x = 35,339.84

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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.