Home / 44,918.80-67,416.60-19,997.20

Finding the Fourth Proportional to 44,918.80, 67,416.60 and 19,997.20

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Solution

The fourth proportional to 44,918.80, 67,416.60 and 19,997.20 is: 30,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,918.80 : 67,416.60 = 19,997.20 : x
  2. Step 2: Convert to fraction form
    44,918.80/67,416.60 = 19,997.20/x
  3. Step 3: Cross multiply
    44,918.80x = 67,416.60 × 19,997.20
  4. Step 4: Simplify right side
    44,918.80x = 1,348,143,233.52
  5. Step 5: Solve for x
    x = 1,348,143,233.52/44,918.80
  6. Step 6: Final answer
    x = 30,012.90

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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.