Home / 39,139.66-58,708.44-11,061.66

Finding the Fourth Proportional to 39,139.66, 58,708.44 and 11,061.66

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Solution

The fourth proportional to 39,139.66, 58,708.44 and 11,061.66 is: 16,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.66 : 58,708.44 = 11,061.66 : x
  2. Step 2: Convert to fraction form
    39,139.66/58,708.44 = 11,061.66/x
  3. Step 3: Cross multiply
    39,139.66x = 58,708.44 × 11,061.66
  4. Step 4: Simplify right side
    39,139.66x = 649,412,802.41
  5. Step 5: Solve for x
    x = 649,412,802.41/39,139.66
  6. Step 6: Final answer
    x = 16,592.19

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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.