Home / 40,282.11-55,588.07-22,376.66

Finding the Fourth Proportional to 40,282.11, 55,588.07 and 22,376.66

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Solution

The fourth proportional to 40,282.11, 55,588.07 and 22,376.66 is: 30,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.11 : 55,588.07 = 22,376.66 : x
  2. Step 2: Convert to fraction form
    40,282.11/55,588.07 = 22,376.66/x
  3. Step 3: Cross multiply
    40,282.11x = 55,588.07 × 22,376.66
  4. Step 4: Simplify right side
    40,282.11x = 1,243,875,120.45
  5. Step 5: Solve for x
    x = 1,243,875,120.45/40,282.11
  6. Step 6: Final answer
    x = 30,879.10

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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.