Home / 31,722.72-47,585.24-10,663.48

Finding the Fourth Proportional to 31,722.72, 47,585.24 and 10,663.48

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Solution

The fourth proportional to 31,722.72, 47,585.24 and 10,663.48 is: 15,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,722.72 : 47,585.24 = 10,663.48 : x
  2. Step 2: Convert to fraction form
    31,722.72/47,585.24 = 10,663.48/x
  3. Step 3: Cross multiply
    31,722.72x = 47,585.24 × 10,663.48
  4. Step 4: Simplify right side
    31,722.72x = 507,424,301.19
  5. Step 5: Solve for x
    x = 507,424,301.19/31,722.72
  6. Step 6: Final answer
    x = 15,995.61

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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.