Home / 54,301.85-74,938.58-30,427.64

Finding the Fourth Proportional to 54,301.85, 74,938.58 and 30,427.64

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Solution

The fourth proportional to 54,301.85, 74,938.58 and 30,427.64 is: 41,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.85 : 74,938.58 = 30,427.64 : x
  2. Step 2: Convert to fraction form
    54,301.85/74,938.58 = 30,427.64/x
  3. Step 3: Cross multiply
    54,301.85x = 74,938.58 × 30,427.64
  4. Step 4: Simplify right side
    54,301.85x = 2,280,204,397.77
  5. Step 5: Solve for x
    x = 2,280,204,397.77/54,301.85
  6. Step 6: Final answer
    x = 41,991.28

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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.