Home / 47,726.96-71,592.91-12,188.61

Finding the Fourth Proportional to 47,726.96, 71,592.91 and 12,188.61

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Solution

The fourth proportional to 47,726.96, 71,592.91 and 12,188.61 is: 18,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,726.96 : 71,592.91 = 12,188.61 : x
  2. Step 2: Convert to fraction form
    47,726.96/71,592.91 = 12,188.61/x
  3. Step 3: Cross multiply
    47,726.96x = 71,592.91 × 12,188.61
  4. Step 4: Simplify right side
    47,726.96x = 872,618,058.76
  5. Step 5: Solve for x
    x = 872,618,058.76/47,726.96
  6. Step 6: Final answer
    x = 18,283.55

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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.