Home / 54,173.42-74,763.22-30,307.78

Finding the Fourth Proportional to 54,173.42, 74,763.22 and 30,307.78

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Solution

The fourth proportional to 54,173.42, 74,763.22 and 30,307.78 is: 41,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.42 : 74,763.22 = 30,307.78 : x
  2. Step 2: Convert to fraction form
    54,173.42/74,763.22 = 30,307.78/x
  3. Step 3: Cross multiply
    54,173.42x = 74,763.22 × 30,307.78
  4. Step 4: Simplify right side
    54,173.42x = 2,265,907,223.85
  5. Step 5: Solve for x
    x = 2,265,907,223.85/54,173.42
  6. Step 6: Final answer
    x = 41,826.92

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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.