Home / 55,320.11-76,340.93-31,119.24

Finding the Fourth Proportional to 55,320.11, 76,340.93 and 31,119.24

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Solution

The fourth proportional to 55,320.11, 76,340.93 and 31,119.24 is: 42,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,320.11 : 76,340.93 = 31,119.24 : x
  2. Step 2: Convert to fraction form
    55,320.11/76,340.93 = 31,119.24/x
  3. Step 3: Cross multiply
    55,320.11x = 76,340.93 × 31,119.24
  4. Step 4: Simplify right side
    55,320.11x = 2,375,671,566.90
  5. Step 5: Solve for x
    x = 2,375,671,566.90/55,320.11
  6. Step 6: Final answer
    x = 42,944.09

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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.