Home / 38,479.59-57,739.36-29,116.80

Finding the Fourth Proportional to 38,479.59, 57,739.36 and 29,116.80

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Solution

The fourth proportional to 38,479.59, 57,739.36 and 29,116.80 is: 43,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.59 : 57,739.36 = 29,116.80 : x
  2. Step 2: Convert to fraction form
    38,479.59/57,739.36 = 29,116.80/x
  3. Step 3: Cross multiply
    38,479.59x = 57,739.36 × 29,116.80
  4. Step 4: Simplify right side
    38,479.59x = 1,681,185,397.25
  5. Step 5: Solve for x
    x = 1,681,185,397.25/38,479.59
  6. Step 6: Final answer
    x = 43,690.31

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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.