Home / 45,705.60-68,558.40-29,959.20

Finding the Fourth Proportional to 45,705.60, 68,558.40 and 29,959.20

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Solution

The fourth proportional to 45,705.60, 68,558.40 and 29,959.20 is: 44,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,705.60 : 68,558.40 = 29,959.20 : x
  2. Step 2: Convert to fraction form
    45,705.60/68,558.40 = 29,959.20/x
  3. Step 3: Cross multiply
    45,705.60x = 68,558.40 × 29,959.20
  4. Step 4: Simplify right side
    45,705.60x = 2,053,954,817.28
  5. Step 5: Solve for x
    x = 2,053,954,817.28/45,705.60
  6. Step 6: Final answer
    x = 44,938.80

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Similar ratio
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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.