Home / 54,140.22-74,713.56-30,266.88

Finding the Fourth Proportional to 54,140.22, 74,713.56 and 30,266.88

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Solution

The fourth proportional to 54,140.22, 74,713.56 and 30,266.88 is: 41,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.22 : 74,713.56 = 30,266.88 : x
  2. Step 2: Convert to fraction form
    54,140.22/74,713.56 = 30,266.88/x
  3. Step 3: Cross multiply
    54,140.22x = 74,713.56 × 30,266.88
  4. Step 4: Simplify right side
    54,140.22x = 2,261,346,354.89
  5. Step 5: Solve for x
    x = 2,261,346,354.89/54,140.22
  6. Step 6: Final answer
    x = 41,768.33

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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.