Home / 57,023.06-85,419.63-47,755.70

Finding the Fourth Proportional to 57,023.06, 85,419.63 and 47,755.70

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Solution

The fourth proportional to 57,023.06, 85,419.63 and 47,755.70 is: 71,537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.06 : 85,419.63 = 47,755.70 : x
  2. Step 2: Convert to fraction form
    57,023.06/85,419.63 = 47,755.70/x
  3. Step 3: Cross multiply
    57,023.06x = 85,419.63 × 47,755.70
  4. Step 4: Simplify right side
    57,023.06x = 4,079,274,224.39
  5. Step 5: Solve for x
    x = 4,079,274,224.39/57,023.06
  6. Step 6: Final answer
    x = 71,537.27

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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.