Home / 57,490.35-86,248.50-17,512.91

Finding the Fourth Proportional to 57,490.35, 86,248.50 and 17,512.91

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Solution

The fourth proportional to 57,490.35, 86,248.50 and 17,512.91 is: 26,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,490.35 : 86,248.50 = 17,512.91 : x
  2. Step 2: Convert to fraction form
    57,490.35/86,248.50 = 17,512.91/x
  3. Step 3: Cross multiply
    57,490.35x = 86,248.50 × 17,512.91
  4. Step 4: Simplify right side
    57,490.35x = 1,510,462,044.65
  5. Step 5: Solve for x
    x = 1,510,462,044.65/57,490.35
  6. Step 6: Final answer
    x = 26,273.32

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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.