Home / 42,291.46-63,442.41-13,827.75

Finding the Fourth Proportional to 42,291.46, 63,442.41 and 13,827.75

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Solution

The fourth proportional to 42,291.46, 63,442.41 and 13,827.75 is: 20,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,291.46 : 63,442.41 = 13,827.75 : x
  2. Step 2: Convert to fraction form
    42,291.46/63,442.41 = 13,827.75/x
  3. Step 3: Cross multiply
    42,291.46x = 63,442.41 × 13,827.75
  4. Step 4: Simplify right side
    42,291.46x = 877,265,784.88
  5. Step 5: Solve for x
    x = 877,265,784.88/42,291.46
  6. Step 6: Final answer
    x = 20,743.33

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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.