Home / 47,488.80-71,249.72-17,915.16

Finding the Fourth Proportional to 47,488.80, 71,249.72 and 17,915.16

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Solution

The fourth proportional to 47,488.80, 71,249.72 and 17,915.16 is: 26,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,488.80 : 71,249.72 = 17,915.16 : x
  2. Step 2: Convert to fraction form
    47,488.80/71,249.72 = 17,915.16/x
  3. Step 3: Cross multiply
    47,488.80x = 71,249.72 × 17,915.16
  4. Step 4: Simplify right side
    47,488.80x = 1,276,450,133.76
  5. Step 5: Solve for x
    x = 1,276,450,133.76/47,488.80
  6. Step 6: Final answer
    x = 26,878.97

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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.