Home / 83,032.84-124,442.34-30,379.60

Finding the Fourth Proportional to 83,032.84, 124,442.34 and 30,379.60

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Solution

The fourth proportional to 83,032.84, 124,442.34 and 30,379.60 is: 45,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,032.84 : 124,442.34 = 30,379.60 : x
  2. Step 2: Convert to fraction form
    83,032.84/124,442.34 = 30,379.60/x
  3. Step 3: Cross multiply
    83,032.84x = 124,442.34 × 30,379.60
  4. Step 4: Simplify right side
    83,032.84x = 3,780,508,512.26
  5. Step 5: Solve for x
    x = 3,780,508,512.26/83,032.84
  6. Step 6: Final answer
    x = 45,530.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.