Home / 40,167.68-55,433.28-25,069.28

Finding the Fourth Proportional to 40,167.68, 55,433.28 and 25,069.28

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Solution

The fourth proportional to 40,167.68, 55,433.28 and 25,069.28 is: 34,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.68 : 55,433.28 = 25,069.28 : x
  2. Step 2: Convert to fraction form
    40,167.68/55,433.28 = 25,069.28/x
  3. Step 3: Cross multiply
    40,167.68x = 55,433.28 × 25,069.28
  4. Step 4: Simplify right side
    40,167.68x = 1,389,672,417.64
  5. Step 5: Solve for x
    x = 1,389,672,417.64/40,167.68
  6. Step 6: Final answer
    x = 34,596.78

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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.