Home / 40,064.08-55,286.16-22,158.04

Finding the Fourth Proportional to 40,064.08, 55,286.16 and 22,158.04

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Solution

The fourth proportional to 40,064.08, 55,286.16 and 22,158.04 is: 30,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.08 : 55,286.16 = 22,158.04 : x
  2. Step 2: Convert to fraction form
    40,064.08/55,286.16 = 22,158.04/x
  3. Step 3: Cross multiply
    40,064.08x = 55,286.16 × 22,158.04
  4. Step 4: Simplify right side
    40,064.08x = 1,225,032,944.73
  5. Step 5: Solve for x
    x = 1,225,032,944.73/40,064.08
  6. Step 6: Final answer
    x = 30,576.84

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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.