Home / 42,004.12-63,021.48-19,525.18

Finding the Fourth Proportional to 42,004.12, 63,021.48 and 19,525.18

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Solution

The fourth proportional to 42,004.12, 63,021.48 and 19,525.18 is: 29,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,004.12 : 63,021.48 = 19,525.18 : x
  2. Step 2: Convert to fraction form
    42,004.12/63,021.48 = 19,525.18/x
  3. Step 3: Cross multiply
    42,004.12x = 63,021.48 × 19,525.18
  4. Step 4: Simplify right side
    42,004.12x = 1,230,505,740.87
  5. Step 5: Solve for x
    x = 1,230,505,740.87/42,004.12
  6. Step 6: Final answer
    x = 29,294.88

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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.