Home / 47,819.19-71,713.27-15,791.06

Finding the Fourth Proportional to 47,819.19, 71,713.27 and 15,791.06

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Solution

The fourth proportional to 47,819.19, 71,713.27 and 15,791.06 is: 23,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,819.19 : 71,713.27 = 15,791.06 : x
  2. Step 2: Convert to fraction form
    47,819.19/71,713.27 = 15,791.06/x
  3. Step 3: Cross multiply
    47,819.19x = 71,713.27 × 15,791.06
  4. Step 4: Simplify right side
    47,819.19x = 1,132,428,111.84
  5. Step 5: Solve for x
    x = 1,132,428,111.84/47,819.19
  6. Step 6: Final answer
    x = 23,681.46

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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.