Home / 42,376.12-63,567.22-11,211

Finding the Fourth Proportional to 42,376.12, 63,567.22 and 11,211

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Solution

The fourth proportional to 42,376.12, 63,567.22 and 11,211 is: 16,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,376.12 : 63,567.22 = 11,211 : x
  2. Step 2: Convert to fraction form
    42,376.12/63,567.22 = 11,211/x
  3. Step 3: Cross multiply
    42,376.12x = 63,567.22 × 11,211
  4. Step 4: Simplify right side
    42,376.12x = 712,652,103.42
  5. Step 5: Solve for x
    x = 712,652,103.42/42,376.12
  6. Step 6: Final answer
    x = 16,817.30

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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.