Home / 52,839.36-72,891.36-40,242.24

Finding the Fourth Proportional to 52,839.36, 72,891.36 and 40,242.24

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Solution

The fourth proportional to 52,839.36, 72,891.36 and 40,242.24 is: 55,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,839.36 : 72,891.36 = 40,242.24 : x
  2. Step 2: Convert to fraction form
    52,839.36/72,891.36 = 40,242.24/x
  3. Step 3: Cross multiply
    52,839.36x = 72,891.36 × 40,242.24
  4. Step 4: Simplify right side
    52,839.36x = 2,933,311,603.05
  5. Step 5: Solve for x
    x = 2,933,311,603.05/52,839.36
  6. Step 6: Final answer
    x = 55,513.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.