Home / 47,394.79-71,081.25-17,815.62

Finding the Fourth Proportional to 47,394.79, 71,081.25 and 17,815.62

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Solution

The fourth proportional to 47,394.79, 71,081.25 and 17,815.62 is: 26,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,394.79 : 71,081.25 = 17,815.62 : x
  2. Step 2: Convert to fraction form
    47,394.79/71,081.25 = 17,815.62/x
  3. Step 3: Cross multiply
    47,394.79x = 71,081.25 × 17,815.62
  4. Step 4: Simplify right side
    47,394.79x = 1,266,356,539.13
  5. Step 5: Solve for x
    x = 1,266,356,539.13/47,394.79
  6. Step 6: Final answer
    x = 26,719.32

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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.