Home / 60,820.80-83,934-38,160.66

Finding the Fourth Proportional to 60,820.80, 83,934 and 38,160.66

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Solution

The fourth proportional to 60,820.80, 83,934 and 38,160.66 is: 52,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,820.80 : 83,934 = 38,160.66 : x
  2. Step 2: Convert to fraction form
    60,820.80/83,934 = 38,160.66/x
  3. Step 3: Cross multiply
    60,820.80x = 83,934 × 38,160.66
  4. Step 4: Simplify right side
    60,820.80x = 3,202,976,836.44
  5. Step 5: Solve for x
    x = 3,202,976,836.44/60,820.80
  6. Step 6: Final answer
    x = 52,662.52

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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.