Home / 55,947.89-77,207.91-30,797.39

Finding the Fourth Proportional to 55,947.89, 77,207.91 and 30,797.39

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Solution

The fourth proportional to 55,947.89, 77,207.91 and 30,797.39 is: 42,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,947.89 : 77,207.91 = 30,797.39 : x
  2. Step 2: Convert to fraction form
    55,947.89/77,207.91 = 30,797.39/x
  3. Step 3: Cross multiply
    55,947.89x = 77,207.91 × 30,797.39
  4. Step 4: Simplify right side
    55,947.89x = 2,377,802,115.35
  5. Step 5: Solve for x
    x = 2,377,802,115.35/55,947.89
  6. Step 6: Final answer
    x = 42,500.30

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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.