Home / 47,386.47-71,079.03-14,106.72

Finding the Fourth Proportional to 47,386.47, 71,079.03 and 14,106.72

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Solution

The fourth proportional to 47,386.47, 71,079.03 and 14,106.72 is: 21,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,386.47 : 71,079.03 = 14,106.72 : x
  2. Step 2: Convert to fraction form
    47,386.47/71,079.03 = 14,106.72/x
  3. Step 3: Cross multiply
    47,386.47x = 71,079.03 × 14,106.72
  4. Step 4: Simplify right side
    47,386.47x = 1,002,691,974.08
  5. Step 5: Solve for x
    x = 1,002,691,974.08/47,386.47
  6. Step 6: Final answer
    x = 21,159.88

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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.