Home / 57,250.45-79,001.70-31,755.80

Finding the Fourth Proportional to 57,250.45, 79,001.70 and 31,755.80

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Solution

The fourth proportional to 57,250.45, 79,001.70 and 31,755.80 is: 43,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,250.45 : 79,001.70 = 31,755.80 : x
  2. Step 2: Convert to fraction form
    57,250.45/79,001.70 = 31,755.80/x
  3. Step 3: Cross multiply
    57,250.45x = 79,001.70 × 31,755.80
  4. Step 4: Simplify right side
    57,250.45x = 2,508,762,263.28
  5. Step 5: Solve for x
    x = 2,508,762,263.28/57,250.45
  6. Step 6: Final answer
    x = 43,820.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.