Home / 42,610.80-63,920.91-11,448.48

Finding the Fourth Proportional to 42,610.80, 63,920.91 and 11,448.48

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Solution

The fourth proportional to 42,610.80, 63,920.91 and 11,448.48 is: 17,173.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610.80 : 63,920.91 = 11,448.48 : x
  2. Step 2: Convert to fraction form
    42,610.80/63,920.91 = 11,448.48/x
  3. Step 3: Cross multiply
    42,610.80x = 63,920.91 × 11,448.48
  4. Step 4: Simplify right side
    42,610.80x = 731,797,259.72
  5. Step 5: Solve for x
    x = 731,797,259.72/42,610.80
  6. Step 6: Final answer
    x = 17,173.99

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1.5x scale

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.