Home / 47,667.31-71,501.45-14,387.65

Finding the Fourth Proportional to 47,667.31, 71,501.45 and 14,387.65

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Solution

The fourth proportional to 47,667.31, 71,501.45 and 14,387.65 is: 21,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,667.31 : 71,501.45 = 14,387.65 : x
  2. Step 2: Convert to fraction form
    47,667.31/71,501.45 = 14,387.65/x
  3. Step 3: Cross multiply
    47,667.31x = 71,501.45 × 14,387.65
  4. Step 4: Simplify right side
    47,667.31x = 1,028,737,586.40
  5. Step 5: Solve for x
    x = 1,028,737,586.40/47,667.31
  6. Step 6: Final answer
    x = 21,581.62

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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.