Home / 31,717.29-47,581.43-10,659.39

Finding the Fourth Proportional to 31,717.29, 47,581.43 and 10,659.39

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Solution

The fourth proportional to 31,717.29, 47,581.43 and 10,659.39 is: 15,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.29 : 47,581.43 = 10,659.39 : x
  2. Step 2: Convert to fraction form
    31,717.29/47,581.43 = 10,659.39/x
  3. Step 3: Cross multiply
    31,717.29x = 47,581.43 × 10,659.39
  4. Step 4: Simplify right side
    31,717.29x = 507,188,965.83
  5. Step 5: Solve for x
    x = 507,188,965.83/31,717.29
  6. Step 6: Final answer
    x = 15,990.93

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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.