Home / 57,247.80-79,002.18-31,756.52

Finding the Fourth Proportional to 57,247.80, 79,002.18 and 31,756.52

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Solution

The fourth proportional to 57,247.80, 79,002.18 and 31,756.52 is: 43,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,247.80 : 79,002.18 = 31,756.52 : x
  2. Step 2: Convert to fraction form
    57,247.80/79,002.18 = 31,756.52/x
  3. Step 3: Cross multiply
    57,247.80x = 79,002.18 × 31,756.52
  4. Step 4: Simplify right side
    57,247.80x = 2,508,833,914.20
  5. Step 5: Solve for x
    x = 2,508,833,914.20/57,247.80
  6. Step 6: Final answer
    x = 43,824.11

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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.