Home / 47,937.80-71,872.74-18,330.68

Finding the Fourth Proportional to 47,937.80, 71,872.74 and 18,330.68

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Solution

The fourth proportional to 47,937.80, 71,872.74 and 18,330.68 is: 27,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,937.80 : 71,872.74 = 18,330.68 : x
  2. Step 2: Convert to fraction form
    47,937.80/71,872.74 = 18,330.68/x
  3. Step 3: Cross multiply
    47,937.80x = 71,872.74 × 18,330.68
  4. Step 4: Simplify right side
    47,937.80x = 1,317,476,197.66
  5. Step 5: Solve for x
    x = 1,317,476,197.66/47,937.80
  6. Step 6: Final answer
    x = 27,483.03

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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.