Home / 31,837.74-47,754.18-13,112.97

Finding the Fourth Proportional to 31,837.74, 47,754.18 and 13,112.97

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Solution

The fourth proportional to 31,837.74, 47,754.18 and 13,112.97 is: 19,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.74 : 47,754.18 = 13,112.97 : x
  2. Step 2: Convert to fraction form
    31,837.74/47,754.18 = 13,112.97/x
  3. Step 3: Cross multiply
    31,837.74x = 47,754.18 × 13,112.97
  4. Step 4: Simplify right side
    31,837.74x = 626,199,129.71
  5. Step 5: Solve for x
    x = 626,199,129.71/31,837.74
  6. Step 6: Final answer
    x = 19,668.45

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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.