Home / 31,514.74-47,290.49-11,807.14

Finding the Fourth Proportional to 31,514.74, 47,290.49 and 11,807.14

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Solution

The fourth proportional to 31,514.74, 47,290.49 and 11,807.14 is: 17,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.74 : 47,290.49 = 11,807.14 : x
  2. Step 2: Convert to fraction form
    31,514.74/47,290.49 = 11,807.14/x
  3. Step 3: Cross multiply
    31,514.74x = 47,290.49 × 11,807.14
  4. Step 4: Simplify right side
    31,514.74x = 558,365,436.10
  5. Step 5: Solve for x
    x = 558,365,436.10/31,514.74
  6. Step 6: Final answer
    x = 17,717.60

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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.