Home / 47,624.13-71,431.16-19,547.15

Finding the Fourth Proportional to 47,624.13, 71,431.16 and 19,547.15

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Solution

The fourth proportional to 47,624.13, 71,431.16 and 19,547.15 is: 29,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,624.13 : 71,431.16 = 19,547.15 : x
  2. Step 2: Convert to fraction form
    47,624.13/71,431.16 = 19,547.15/x
  3. Step 3: Cross multiply
    47,624.13x = 71,431.16 × 19,547.15
  4. Step 4: Simplify right side
    47,624.13x = 1,396,275,144.30
  5. Step 5: Solve for x
    x = 1,396,275,144.30/47,624.13
  6. Step 6: Final answer
    x = 29,318.65

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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.