Home / 42,649.20-58,879.92-29,575.80

Finding the Fourth Proportional to 42,649.20, 58,879.92 and 29,575.80

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Solution

The fourth proportional to 42,649.20, 58,879.92 and 29,575.80 is: 40,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,649.20 : 58,879.92 = 29,575.80 : x
  2. Step 2: Convert to fraction form
    42,649.20/58,879.92 = 29,575.80/x
  3. Step 3: Cross multiply
    42,649.20x = 58,879.92 × 29,575.80
  4. Step 4: Simplify right side
    42,649.20x = 1,741,420,737.94
  5. Step 5: Solve for x
    x = 1,741,420,737.94/42,649.20
  6. Step 6: Final answer
    x = 40,831.26

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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.