Home / 31,543.75-47,315.63-12,833.97

Finding the Fourth Proportional to 31,543.75, 47,315.63 and 12,833.97

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Solution

The fourth proportional to 31,543.75, 47,315.63 and 12,833.97 is: 19,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.75 : 47,315.63 = 12,833.97 : x
  2. Step 2: Convert to fraction form
    31,543.75/47,315.63 = 12,833.97/x
  3. Step 3: Cross multiply
    31,543.75x = 47,315.63 × 12,833.97
  4. Step 4: Simplify right side
    31,543.75x = 607,247,375.95
  5. Step 5: Solve for x
    x = 607,247,375.95/31,543.75
  6. Step 6: Final answer
    x = 19,250.96

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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.