Home / 40,686.71-61,039.37-15,726.96

Finding the Fourth Proportional to 40,686.71, 61,039.37 and 15,726.96

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Solution

The fourth proportional to 40,686.71, 61,039.37 and 15,726.96 is: 23,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.71 : 61,039.37 = 15,726.96 : x
  2. Step 2: Convert to fraction form
    40,686.71/61,039.37 = 15,726.96/x
  3. Step 3: Cross multiply
    40,686.71x = 61,039.37 × 15,726.96
  4. Step 4: Simplify right side
    40,686.71x = 959,963,769.73
  5. Step 5: Solve for x
    x = 959,963,769.73/40,686.71
  6. Step 6: Final answer
    x = 23,594.04

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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.