Home / 31,888.19-47,802.78-14,109.43

Finding the Fourth Proportional to 31,888.19, 47,802.78 and 14,109.43

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Solution

The fourth proportional to 31,888.19, 47,802.78 and 14,109.43 is: 21,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,888.19 : 47,802.78 = 14,109.43 : x
  2. Step 2: Convert to fraction form
    31,888.19/47,802.78 = 14,109.43/x
  3. Step 3: Cross multiply
    31,888.19x = 47,802.78 × 14,109.43
  4. Step 4: Simplify right side
    31,888.19x = 674,469,805.80
  5. Step 5: Solve for x
    x = 674,469,805.80/31,888.19
  6. Step 6: Final answer
    x = 21,151.08

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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.