Home / 47,188.35-70,780.95-13,908.96

Finding the Fourth Proportional to 47,188.35, 70,780.95 and 13,908.96

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Solution

The fourth proportional to 47,188.35, 70,780.95 and 13,908.96 is: 20,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,188.35 : 70,780.95 = 13,908.96 : x
  2. Step 2: Convert to fraction form
    47,188.35/70,780.95 = 13,908.96/x
  3. Step 3: Cross multiply
    47,188.35x = 70,780.95 × 13,908.96
  4. Step 4: Simplify right side
    47,188.35x = 984,489,402.31
  5. Step 5: Solve for x
    x = 984,489,402.31/47,188.35
  6. Step 6: Final answer
    x = 20,862.98

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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.