Home / 40,046.10-55,261.38-22,140.06

Finding the Fourth Proportional to 40,046.10, 55,261.38 and 22,140.06

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Solution

The fourth proportional to 40,046.10, 55,261.38 and 22,140.06 is: 30,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,046.10 : 55,261.38 = 22,140.06 : x
  2. Step 2: Convert to fraction form
    40,046.10/55,261.38 = 22,140.06/x
  3. Step 3: Cross multiply
    40,046.10x = 55,261.38 × 22,140.06
  4. Step 4: Simplify right side
    40,046.10x = 1,223,490,268.88
  5. Step 5: Solve for x
    x = 1,223,490,268.88/40,046.10
  6. Step 6: Final answer
    x = 30,552.05

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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.