Home / 31,342.44-47,001.82-12,616.10

Finding the Fourth Proportional to 31,342.44, 47,001.82 and 12,616.10

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Solution

The fourth proportional to 31,342.44, 47,001.82 and 12,616.10 is: 18,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.44 : 47,001.82 = 12,616.10 : x
  2. Step 2: Convert to fraction form
    31,342.44/47,001.82 = 12,616.10/x
  3. Step 3: Cross multiply
    31,342.44x = 47,001.82 × 12,616.10
  4. Step 4: Simplify right side
    31,342.44x = 592,979,661.30
  5. Step 5: Solve for x
    x = 592,979,661.30/31,342.44
  6. Step 6: Final answer
    x = 18,919.38

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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.