Home / 30,177.76-41,633.88-22,238.92

Finding the Fourth Proportional to 30,177.76, 41,633.88 and 22,238.92

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Solution

The fourth proportional to 30,177.76, 41,633.88 and 22,238.92 is: 30,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.76 : 41,633.88 = 22,238.92 : x
  2. Step 2: Convert to fraction form
    30,177.76/41,633.88 = 22,238.92/x
  3. Step 3: Cross multiply
    30,177.76x = 41,633.88 × 22,238.92
  4. Step 4: Simplify right side
    30,177.76x = 925,892,526.61
  5. Step 5: Solve for x
    x = 925,892,526.61/30,177.76
  6. Step 6: Final answer
    x = 30,681.29

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Half scale
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Double scale
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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.