Home / 47,642.31-71,470.76-14,358.06

Finding the Fourth Proportional to 47,642.31, 71,470.76 and 14,358.06

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Solution

The fourth proportional to 47,642.31, 71,470.76 and 14,358.06 is: 21,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,642.31 : 71,470.76 = 14,358.06 : x
  2. Step 2: Convert to fraction form
    47,642.31/71,470.76 = 14,358.06/x
  3. Step 3: Cross multiply
    47,642.31x = 71,470.76 × 14,358.06
  4. Step 4: Simplify right side
    47,642.31x = 1,026,181,388.54
  5. Step 5: Solve for x
    x = 1,026,181,388.54/47,642.31
  6. Step 6: Final answer
    x = 21,539.29

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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.