Home / 42,636.80-63,961.01-14,549.30

Finding the Fourth Proportional to 42,636.80, 63,961.01 and 14,549.30

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Solution

The fourth proportional to 42,636.80, 63,961.01 and 14,549.30 is: 21,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,636.80 : 63,961.01 = 14,549.30 : x
  2. Step 2: Convert to fraction form
    42,636.80/63,961.01 = 14,549.30/x
  3. Step 3: Cross multiply
    42,636.80x = 63,961.01 × 14,549.30
  4. Step 4: Simplify right side
    42,636.80x = 930,587,530.24
  5. Step 5: Solve for x
    x = 930,587,530.24/42,636.80
  6. Step 6: Final answer
    x = 21,825.93

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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.