Home / 54,128.34-74,691.96-30,254.46

Finding the Fourth Proportional to 54,128.34, 74,691.96 and 30,254.46

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Solution

The fourth proportional to 54,128.34, 74,691.96 and 30,254.46 is: 41,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.34 : 74,691.96 = 30,254.46 : x
  2. Step 2: Convert to fraction form
    54,128.34/74,691.96 = 30,254.46/x
  3. Step 3: Cross multiply
    54,128.34x = 74,691.96 × 30,254.46
  4. Step 4: Simplify right side
    54,128.34x = 2,259,764,916.14
  5. Step 5: Solve for x
    x = 2,259,764,916.14/54,128.34
  6. Step 6: Final answer
    x = 41,748.28

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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.