Home / 54,308.16-74,948.34-30,442.52

Finding the Fourth Proportional to 54,308.16, 74,948.34 and 30,442.52

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Solution

The fourth proportional to 54,308.16, 74,948.34 and 30,442.52 is: 42,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,308.16 : 74,948.34 = 30,442.52 : x
  2. Step 2: Convert to fraction form
    54,308.16/74,948.34 = 30,442.52/x
  3. Step 3: Cross multiply
    54,308.16x = 74,948.34 × 30,442.52
  4. Step 4: Simplify right side
    54,308.16x = 2,281,616,339.42
  5. Step 5: Solve for x
    x = 2,281,616,339.42/54,308.16
  6. Step 6: Final answer
    x = 42,012.40

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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.