Home / 55,979.74-77,249.19-30,824.38

Finding the Fourth Proportional to 55,979.74, 77,249.19 and 30,824.38

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Solution

The fourth proportional to 55,979.74, 77,249.19 and 30,824.38 is: 42,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,979.74 : 77,249.19 = 30,824.38 : x
  2. Step 2: Convert to fraction form
    55,979.74/77,249.19 = 30,824.38/x
  3. Step 3: Cross multiply
    55,979.74x = 77,249.19 × 30,824.38
  4. Step 4: Simplify right side
    55,979.74x = 2,381,158,387.25
  5. Step 5: Solve for x
    x = 2,381,158,387.25/55,979.74
  6. Step 6: Final answer
    x = 42,536.07

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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.