Home / 47,317.47-70,976.20-12,257.13

Finding the Fourth Proportional to 47,317.47, 70,976.20 and 12,257.13

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Solution

The fourth proportional to 47,317.47, 70,976.20 and 12,257.13 is: 18,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,317.47 : 70,976.20 = 12,257.13 : x
  2. Step 2: Convert to fraction form
    47,317.47/70,976.20 = 12,257.13/x
  3. Step 3: Cross multiply
    47,317.47x = 70,976.20 × 12,257.13
  4. Step 4: Simplify right side
    47,317.47x = 869,964,186.07
  5. Step 5: Solve for x
    x = 869,964,186.07/47,317.47
  6. Step 6: Final answer
    x = 18,385.69

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Similar ratio
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1.5x scale

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.