Home / 57,172.50-85,811.40-29,112.62

Finding the Fourth Proportional to 57,172.50, 85,811.40 and 29,112.62

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Solution

The fourth proportional to 57,172.50, 85,811.40 and 29,112.62 is: 43,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.50 : 85,811.40 = 29,112.62 : x
  2. Step 2: Convert to fraction form
    57,172.50/85,811.40 = 29,112.62/x
  3. Step 3: Cross multiply
    57,172.50x = 85,811.40 × 29,112.62
  4. Step 4: Simplify right side
    57,172.50x = 2,498,194,250.81
  5. Step 5: Solve for x
    x = 2,498,194,250.81/57,172.50
  6. Step 6: Final answer
    x = 43,695.73

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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.