Home / 39,756.59-59,642.19-13,104.17

Finding the Fourth Proportional to 39,756.59, 59,642.19 and 13,104.17

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Solution

The fourth proportional to 39,756.59, 59,642.19 and 13,104.17 is: 19,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,756.59 : 59,642.19 = 13,104.17 : x
  2. Step 2: Convert to fraction form
    39,756.59/59,642.19 = 13,104.17/x
  3. Step 3: Cross multiply
    39,756.59x = 59,642.19 × 13,104.17
  4. Step 4: Simplify right side
    39,756.59x = 781,561,098.72
  5. Step 5: Solve for x
    x = 781,561,098.72/39,756.59
  6. Step 6: Final answer
    x = 19,658.66

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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.