Home / 57,024.62-78,690.60-31,528.98

Finding the Fourth Proportional to 57,024.62, 78,690.60 and 31,528.98

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Solution

The fourth proportional to 57,024.62, 78,690.60 and 31,528.98 is: 43,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,024.62 : 78,690.60 = 31,528.98 : x
  2. Step 2: Convert to fraction form
    57,024.62/78,690.60 = 31,528.98/x
  3. Step 3: Cross multiply
    57,024.62x = 78,690.60 × 31,528.98
  4. Step 4: Simplify right side
    57,024.62x = 2,481,034,530.38
  5. Step 5: Solve for x
    x = 2,481,034,530.38/57,024.62
  6. Step 6: Final answer
    x = 43,508.13

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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.