Home / 45,249.40-67,857.84-15,659.20

Finding the Fourth Proportional to 45,249.40, 67,857.84 and 15,659.20

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Solution

The fourth proportional to 45,249.40, 67,857.84 and 15,659.20 is: 23,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249.40 : 67,857.84 = 15,659.20 : x
  2. Step 2: Convert to fraction form
    45,249.40/67,857.84 = 15,659.20/x
  3. Step 3: Cross multiply
    45,249.40x = 67,857.84 × 15,659.20
  4. Step 4: Simplify right side
    45,249.40x = 1,062,599,488.13
  5. Step 5: Solve for x
    x = 1,062,599,488.13/45,249.40
  6. Step 6: Final answer
    x = 23,483.17

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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.