Home / 36,502.65-54,753.98-13,130.91

Finding the Fourth Proportional to 36,502.65, 54,753.98 and 13,130.91

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Solution

The fourth proportional to 36,502.65, 54,753.98 and 13,130.91 is: 19,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,502.65 : 54,753.98 = 13,130.91 : x
  2. Step 2: Convert to fraction form
    36,502.65/54,753.98 = 13,130.91/x
  3. Step 3: Cross multiply
    36,502.65x = 54,753.98 × 13,130.91
  4. Step 4: Simplify right side
    36,502.65x = 718,969,517.87
  5. Step 5: Solve for x
    x = 718,969,517.87/36,502.65
  6. Step 6: Final answer
    x = 19,696.37

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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.