Home / 47,272.52-70,909.52-13,995.96

Finding the Fourth Proportional to 47,272.52, 70,909.52 and 13,995.96

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Solution

The fourth proportional to 47,272.52, 70,909.52 and 13,995.96 is: 20,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,272.52 : 70,909.52 = 13,995.96 : x
  2. Step 2: Convert to fraction form
    47,272.52/70,909.52 = 13,995.96/x
  3. Step 3: Cross multiply
    47,272.52x = 70,909.52 × 13,995.96
  4. Step 4: Simplify right side
    47,272.52x = 992,446,469.65
  5. Step 5: Solve for x
    x = 992,446,469.65/47,272.52
  6. Step 6: Final answer
    x = 20,994.15

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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.