Home / 40,221.24-55,468.98-25,115.28

Finding the Fourth Proportional to 40,221.24, 55,468.98 and 25,115.28

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Solution

The fourth proportional to 40,221.24, 55,468.98 and 25,115.28 is: 34,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.24 : 55,468.98 = 25,115.28 : x
  2. Step 2: Convert to fraction form
    40,221.24/55,468.98 = 25,115.28/x
  3. Step 3: Cross multiply
    40,221.24x = 55,468.98 × 25,115.28
  4. Step 4: Simplify right side
    40,221.24x = 1,393,118,964.01
  5. Step 5: Solve for x
    x = 1,393,118,964.01/40,221.24
  6. Step 6: Final answer
    x = 34,636.40

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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.