Home / 47,108.40-70,618.68-15,921.84

Finding the Fourth Proportional to 47,108.40, 70,618.68 and 15,921.84

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Solution

The fourth proportional to 47,108.40, 70,618.68 and 15,921.84 is: 23,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,108.40 : 70,618.68 = 15,921.84 : x
  2. Step 2: Convert to fraction form
    47,108.40/70,618.68 = 15,921.84/x
  3. Step 3: Cross multiply
    47,108.40x = 70,618.68 × 15,921.84
  4. Step 4: Simplify right side
    47,108.40x = 1,124,379,323.97
  5. Step 5: Solve for x
    x = 1,124,379,323.97/47,108.40
  6. Step 6: Final answer
    x = 23,867.92

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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.