Home / 42,118.85-58,110.02-27,785.80

Finding the Fourth Proportional to 42,118.85, 58,110.02 and 27,785.80

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Solution

The fourth proportional to 42,118.85, 58,110.02 and 27,785.80 is: 38,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,118.85 : 58,110.02 = 27,785.80 : x
  2. Step 2: Convert to fraction form
    42,118.85/58,110.02 = 27,785.80/x
  3. Step 3: Cross multiply
    42,118.85x = 58,110.02 × 27,785.80
  4. Step 4: Simplify right side
    42,118.85x = 1,614,633,587.92
  5. Step 5: Solve for x
    x = 1,614,633,587.92/42,118.85
  6. Step 6: Final answer
    x = 38,335.18

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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.