Home / 45,273.02-67,909.68-18,612.14

Finding the Fourth Proportional to 45,273.02, 67,909.68 and 18,612.14

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Solution

The fourth proportional to 45,273.02, 67,909.68 and 18,612.14 is: 27,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,273.02 : 67,909.68 = 18,612.14 : x
  2. Step 2: Convert to fraction form
    45,273.02/67,909.68 = 18,612.14/x
  3. Step 3: Cross multiply
    45,273.02x = 67,909.68 × 18,612.14
  4. Step 4: Simplify right side
    45,273.02x = 1,263,944,131.97
  5. Step 5: Solve for x
    x = 1,263,944,131.97/45,273.02
  6. Step 6: Final answer
    x = 27,918.27

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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.