Home / 31,724.74-47,587.44-12,999.97

Finding the Fourth Proportional to 31,724.74, 47,587.44 and 12,999.97

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Solution

The fourth proportional to 31,724.74, 47,587.44 and 12,999.97 is: 19,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.74 : 47,587.44 = 12,999.97 : x
  2. Step 2: Convert to fraction form
    31,724.74/47,587.44 = 12,999.97/x
  3. Step 3: Cross multiply
    31,724.74x = 47,587.44 × 12,999.97
  4. Step 4: Simplify right side
    31,724.74x = 618,635,054.44
  5. Step 5: Solve for x
    x = 618,635,054.44/31,724.74
  6. Step 6: Final answer
    x = 19,500.09

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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.