Home / 56,454.74-77,908.61-30,959.49

Finding the Fourth Proportional to 56,454.74, 77,908.61 and 30,959.49

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Solution

The fourth proportional to 56,454.74, 77,908.61 and 30,959.49 is: 42,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,454.74 : 77,908.61 = 30,959.49 : x
  2. Step 2: Convert to fraction form
    56,454.74/77,908.61 = 30,959.49/x
  3. Step 3: Cross multiply
    56,454.74x = 77,908.61 × 30,959.49
  4. Step 4: Simplify right side
    56,454.74x = 2,412,010,832.21
  5. Step 5: Solve for x
    x = 2,412,010,832.21/56,454.74
  6. Step 6: Final answer
    x = 42,724.68

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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.