Home / 42,098.73-63,114.99-21,027.90

Finding the Fourth Proportional to 42,098.73, 63,114.99 and 21,027.90

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Solution

The fourth proportional to 42,098.73, 63,114.99 and 21,027.90 is: 31,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,098.73 : 63,114.99 = 21,027.90 : x
  2. Step 2: Convert to fraction form
    42,098.73/63,114.99 = 21,027.90/x
  3. Step 3: Cross multiply
    42,098.73x = 63,114.99 × 21,027.90
  4. Step 4: Simplify right side
    42,098.73x = 1,327,175,698.22
  5. Step 5: Solve for x
    x = 1,327,175,698.22/42,098.73
  6. Step 6: Final answer
    x = 31,525.31

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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.