Home / 39,660.72-59,449.08-14,343.28

Finding the Fourth Proportional to 39,660.72, 59,449.08 and 14,343.28

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Solution

The fourth proportional to 39,660.72, 59,449.08 and 14,343.28 is: 21,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.72 : 59,449.08 = 14,343.28 : x
  2. Step 2: Convert to fraction form
    39,660.72/59,449.08 = 14,343.28/x
  3. Step 3: Cross multiply
    39,660.72x = 59,449.08 × 14,343.28
  4. Step 4: Simplify right side
    39,660.72x = 852,694,800.18
  5. Step 5: Solve for x
    x = 852,694,800.18/39,660.72
  6. Step 6: Final answer
    x = 21,499.73

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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.