Home / 57,338.48-79,129.76-31,844.97

Finding the Fourth Proportional to 57,338.48, 79,129.76 and 31,844.97

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Solution

The fourth proportional to 57,338.48, 79,129.76 and 31,844.97 is: 43,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,338.48 : 79,129.76 = 31,844.97 : x
  2. Step 2: Convert to fraction form
    57,338.48/79,129.76 = 31,844.97/x
  3. Step 3: Cross multiply
    57,338.48x = 79,129.76 × 31,844.97
  4. Step 4: Simplify right side
    57,338.48x = 2,519,884,674.08
  5. Step 5: Solve for x
    x = 2,519,884,674.08/57,338.48
  6. Step 6: Final answer
    x = 43,947.53

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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.