Home / 47,013.72-70,521.12-11,952.48

Finding the Fourth Proportional to 47,013.72, 70,521.12 and 11,952.48

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Solution

The fourth proportional to 47,013.72, 70,521.12 and 11,952.48 is: 17,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,013.72 : 70,521.12 = 11,952.48 : x
  2. Step 2: Convert to fraction form
    47,013.72/70,521.12 = 11,952.48/x
  3. Step 3: Cross multiply
    47,013.72x = 70,521.12 × 11,952.48
  4. Step 4: Simplify right side
    47,013.72x = 842,902,276.38
  5. Step 5: Solve for x
    x = 842,902,276.38/47,013.72
  6. Step 6: Final answer
    x = 17,928.86

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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.