Home / 55,397.88-76,449.02-30,247.38

Finding the Fourth Proportional to 55,397.88, 76,449.02 and 30,247.38

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Solution

The fourth proportional to 55,397.88, 76,449.02 and 30,247.38 is: 41,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,397.88 : 76,449.02 = 30,247.38 : x
  2. Step 2: Convert to fraction form
    55,397.88/76,449.02 = 30,247.38/x
  3. Step 3: Cross multiply
    55,397.88x = 76,449.02 × 30,247.38
  4. Step 4: Simplify right side
    55,397.88x = 2,312,382,558.57
  5. Step 5: Solve for x
    x = 2,312,382,558.57/55,397.88
  6. Step 6: Final answer
    x = 41,741.35

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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.