Home / 55,080.38-76,011.52-29,929.88

Finding the Fourth Proportional to 55,080.38, 76,011.52 and 29,929.88

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Solution

The fourth proportional to 55,080.38, 76,011.52 and 29,929.88 is: 41,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.38 : 76,011.52 = 29,929.88 : x
  2. Step 2: Convert to fraction form
    55,080.38/76,011.52 = 29,929.88/x
  3. Step 3: Cross multiply
    55,080.38x = 76,011.52 × 29,929.88
  4. Step 4: Simplify right side
    55,080.38x = 2,275,015,672.22
  5. Step 5: Solve for x
    x = 2,275,015,672.22/55,080.38
  6. Step 6: Final answer
    x = 41,303.56

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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.