Home / 41,079.60-61,619.40-14,785.20

Finding the Fourth Proportional to 41,079.60, 61,619.40 and 14,785.20

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Solution

The fourth proportional to 41,079.60, 61,619.40 and 14,785.20 is: 22,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,079.60 : 61,619.40 = 14,785.20 : x
  2. Step 2: Convert to fraction form
    41,079.60/61,619.40 = 14,785.20/x
  3. Step 3: Cross multiply
    41,079.60x = 61,619.40 × 14,785.20
  4. Step 4: Simplify right side
    41,079.60x = 911,055,152.88
  5. Step 5: Solve for x
    x = 911,055,152.88/41,079.60
  6. Step 6: Final answer
    x = 22,177.80

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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.