Home / 40,282.52-55,590.60-22,379.16

Finding the Fourth Proportional to 40,282.52, 55,590.60 and 22,379.16

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Solution

The fourth proportional to 40,282.52, 55,590.60 and 22,379.16 is: 30,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.52 : 55,590.60 = 22,379.16 : x
  2. Step 2: Convert to fraction form
    40,282.52/55,590.60 = 22,379.16/x
  3. Step 3: Cross multiply
    40,282.52x = 55,590.60 × 22,379.16
  4. Step 4: Simplify right side
    40,282.52x = 1,244,070,931.90
  5. Step 5: Solve for x
    x = 1,244,070,931.90/40,282.52
  6. Step 6: Final answer
    x = 30,883.64

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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.