Home / 51,996.68-71,755.47-28,123.39

Finding the Fourth Proportional to 51,996.68, 71,755.47 and 28,123.39

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Solution

The fourth proportional to 51,996.68, 71,755.47 and 28,123.39 is: 38,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,996.68 : 71,755.47 = 28,123.39 : x
  2. Step 2: Convert to fraction form
    51,996.68/71,755.47 = 28,123.39/x
  3. Step 3: Cross multiply
    51,996.68x = 71,755.47 × 28,123.39
  4. Step 4: Simplify right side
    51,996.68x = 2,018,006,568.05
  5. Step 5: Solve for x
    x = 2,018,006,568.05/51,996.68
  6. Step 6: Final answer
    x = 38,810.30

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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.