Home / 55,512.85-76,559.30-39,348.18

Finding the Fourth Proportional to 55,512.85, 76,559.30 and 39,348.18

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Solution

The fourth proportional to 55,512.85, 76,559.30 and 39,348.18 is: 54,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512.85 : 76,559.30 = 39,348.18 : x
  2. Step 2: Convert to fraction form
    55,512.85/76,559.30 = 39,348.18/x
  3. Step 3: Cross multiply
    55,512.85x = 76,559.30 × 39,348.18
  4. Step 4: Simplify right side
    55,512.85x = 3,012,468,537.54
  5. Step 5: Solve for x
    x = 3,012,468,537.54/55,512.85
  6. Step 6: Final answer
    x = 54,266.15

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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.