Home / 52,891.36-72,963.12-40,294.24

Finding the Fourth Proportional to 52,891.36, 72,963.12 and 40,294.24

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Solution

The fourth proportional to 52,891.36, 72,963.12 and 40,294.24 is: 55,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,891.36 : 72,963.12 = 40,294.24 : x
  2. Step 2: Convert to fraction form
    52,891.36/72,963.12 = 40,294.24/x
  3. Step 3: Cross multiply
    52,891.36x = 72,963.12 × 40,294.24
  4. Step 4: Simplify right side
    52,891.36x = 2,939,993,468.43
  5. Step 5: Solve for x
    x = 2,939,993,468.43/52,891.36
  6. Step 6: Final answer
    x = 55,585.51

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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.