Home / 39,724.56-59,470.20-31,345.92

Finding the Fourth Proportional to 39,724.56, 59,470.20 and 31,345.92

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Solution

The fourth proportional to 39,724.56, 59,470.20 and 31,345.92 is: 46,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,724.56 : 59,470.20 = 31,345.92 : x
  2. Step 2: Convert to fraction form
    39,724.56/59,470.20 = 31,345.92/x
  3. Step 3: Cross multiply
    39,724.56x = 59,470.20 × 31,345.92
  4. Step 4: Simplify right side
    39,724.56x = 1,864,148,131.58
  5. Step 5: Solve for x
    x = 1,864,148,131.58/39,724.56
  6. Step 6: Final answer
    x = 46,926.84

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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.