Home / 40,279.12-55,584.47-22,373.66

Finding the Fourth Proportional to 40,279.12, 55,584.47 and 22,373.66

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Solution

The fourth proportional to 40,279.12, 55,584.47 and 22,373.66 is: 30,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.12 : 55,584.47 = 22,373.66 : x
  2. Step 2: Convert to fraction form
    40,279.12/55,584.47 = 22,373.66/x
  3. Step 3: Cross multiply
    40,279.12x = 55,584.47 × 22,373.66
  4. Step 4: Simplify right side
    40,279.12x = 1,243,628,227.96
  5. Step 5: Solve for x
    x = 1,243,628,227.96/40,279.12
  6. Step 6: Final answer
    x = 30,875.26

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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.