Home / 55,514.28-76,611.52-30,363.78

Finding the Fourth Proportional to 55,514.28, 76,611.52 and 30,363.78

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Solution

The fourth proportional to 55,514.28, 76,611.52 and 30,363.78 is: 41,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514.28 : 76,611.52 = 30,363.78 : x
  2. Step 2: Convert to fraction form
    55,514.28/76,611.52 = 30,363.78/x
  3. Step 3: Cross multiply
    55,514.28x = 76,611.52 × 30,363.78
  4. Step 4: Simplify right side
    55,514.28x = 2,326,215,338.75
  5. Step 5: Solve for x
    x = 2,326,215,338.75/55,514.28
  6. Step 6: Final answer
    x = 41,903.01

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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.