Home / 67,934.80-101,899.64-18,015.28

Finding the Fourth Proportional to 67,934.80, 101,899.64 and 18,015.28

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Solution

The fourth proportional to 67,934.80, 101,899.64 and 18,015.28 is: 27,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,934.80 : 101,899.64 = 18,015.28 : x
  2. Step 2: Convert to fraction form
    67,934.80/101,899.64 = 18,015.28/x
  3. Step 3: Cross multiply
    67,934.80x = 101,899.64 × 18,015.28
  4. Step 4: Simplify right side
    67,934.80x = 1,835,750,546.50
  5. Step 5: Solve for x
    x = 1,835,750,546.50/67,934.80
  6. Step 6: Final answer
    x = 27,022.24

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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.