Home / 40,386.97-60,592.85-20,679.36

Finding the Fourth Proportional to 40,386.97, 60,592.85 and 20,679.36

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Solution

The fourth proportional to 40,386.97, 60,592.85 and 20,679.36 is: 31,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.97 : 60,592.85 = 20,679.36 : x
  2. Step 2: Convert to fraction form
    40,386.97/60,592.85 = 20,679.36/x
  3. Step 3: Cross multiply
    40,386.97x = 60,592.85 × 20,679.36
  4. Step 4: Simplify right side
    40,386.97x = 1,253,021,358.58
  5. Step 5: Solve for x
    x = 1,253,021,358.58/40,386.97
  6. Step 6: Final answer
    x = 31,025.39

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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.