Home / 55,195.88-76,170.42-30,045.32

Finding the Fourth Proportional to 55,195.88, 76,170.42 and 30,045.32

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Solution

The fourth proportional to 55,195.88, 76,170.42 and 30,045.32 is: 41,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,195.88 : 76,170.42 = 30,045.32 : x
  2. Step 2: Convert to fraction form
    55,195.88/76,170.42 = 30,045.32/x
  3. Step 3: Cross multiply
    55,195.88x = 76,170.42 × 30,045.32
  4. Step 4: Simplify right side
    55,195.88x = 2,288,564,643.43
  5. Step 5: Solve for x
    x = 2,288,564,643.43/55,195.88
  6. Step 6: Final answer
    x = 41,462.60

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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.