Home / 57,490.38-79,324.77-33,612.43

Finding the Fourth Proportional to 57,490.38, 79,324.77 and 33,612.43

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Solution

The fourth proportional to 57,490.38, 79,324.77 and 33,612.43 is: 46,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,490.38 : 79,324.77 = 33,612.43 : x
  2. Step 2: Convert to fraction form
    57,490.38/79,324.77 = 33,612.43/x
  3. Step 3: Cross multiply
    57,490.38x = 79,324.77 × 33,612.43
  4. Step 4: Simplify right side
    57,490.38x = 2,666,298,278.89
  5. Step 5: Solve for x
    x = 2,666,298,278.89/57,490.38
  6. Step 6: Final answer
    x = 46,378.16

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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.