Home / 42,519.90-63,763.38-14,435.22

Finding the Fourth Proportional to 42,519.90, 63,763.38 and 14,435.22

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Solution

The fourth proportional to 42,519.90, 63,763.38 and 14,435.22 is: 21,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,519.90 : 63,763.38 = 14,435.22 : x
  2. Step 2: Convert to fraction form
    42,519.90/63,763.38 = 14,435.22/x
  3. Step 3: Cross multiply
    42,519.90x = 63,763.38 × 14,435.22
  4. Step 4: Simplify right side
    42,519.90x = 920,438,418.24
  5. Step 5: Solve for x
    x = 920,438,418.24/42,519.90
  6. Step 6: Final answer
    x = 21,647.24

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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.