Home / 54,301.57-74,938.26-31,655.17

Finding the Fourth Proportional to 54,301.57, 74,938.26 and 31,655.17

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Solution

The fourth proportional to 54,301.57, 74,938.26 and 31,655.17 is: 43,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.57 : 74,938.26 = 31,655.17 : x
  2. Step 2: Convert to fraction form
    54,301.57/74,938.26 = 31,655.17/x
  3. Step 3: Cross multiply
    54,301.57x = 74,938.26 × 31,655.17
  4. Step 4: Simplify right side
    54,301.57x = 2,372,183,359.80
  5. Step 5: Solve for x
    x = 2,372,183,359.80/54,301.57
  6. Step 6: Final answer
    x = 43,685.35

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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.