Home / 51,684.18-71,331.98-31,552.80

Finding the Fourth Proportional to 51,684.18, 71,331.98 and 31,552.80

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Solution

The fourth proportional to 51,684.18, 71,331.98 and 31,552.80 is: 43,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,684.18 : 71,331.98 = 31,552.80 : x
  2. Step 2: Convert to fraction form
    51,684.18/71,331.98 = 31,552.80/x
  3. Step 3: Cross multiply
    51,684.18x = 71,331.98 × 31,552.80
  4. Step 4: Simplify right side
    51,684.18x = 2,250,723,540.78
  5. Step 5: Solve for x
    x = 2,250,723,540.78/51,684.18
  6. Step 6: Final answer
    x = 43,547.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.