Home / 55,881.15-77,114.85-30,388.02

Finding the Fourth Proportional to 55,881.15, 77,114.85 and 30,388.02

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Solution

The fourth proportional to 55,881.15, 77,114.85 and 30,388.02 is: 41,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,881.15 : 77,114.85 = 30,388.02 : x
  2. Step 2: Convert to fraction form
    55,881.15/77,114.85 = 30,388.02/x
  3. Step 3: Cross multiply
    55,881.15x = 77,114.85 × 30,388.02
  4. Step 4: Simplify right side
    55,881.15x = 2,343,367,604.10
  5. Step 5: Solve for x
    x = 2,343,367,604.10/55,881.15
  6. Step 6: Final answer
    x = 41,934.85

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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.