Home / 54,322.60-74,963.85-30,123.43

Finding the Fourth Proportional to 54,322.60, 74,963.85 and 30,123.43

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Solution

The fourth proportional to 54,322.60, 74,963.85 and 30,123.43 is: 41,569.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322.60 : 74,963.85 = 30,123.43 : x
  2. Step 2: Convert to fraction form
    54,322.60/74,963.85 = 30,123.43/x
  3. Step 3: Cross multiply
    54,322.60x = 74,963.85 × 30,123.43
  4. Step 4: Simplify right side
    54,322.60x = 2,258,168,288.01
  5. Step 5: Solve for x
    x = 2,258,168,288.01/54,322.60
  6. Step 6: Final answer
    x = 41,569.59

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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.