Home / 40,088.57-55,321.40-22,183.57

Finding the Fourth Proportional to 40,088.57, 55,321.40 and 22,183.57

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Solution

The fourth proportional to 40,088.57, 55,321.40 and 22,183.57 is: 30,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,088.57 : 55,321.40 = 22,183.57 : x
  2. Step 2: Convert to fraction form
    40,088.57/55,321.40 = 22,183.57/x
  3. Step 3: Cross multiply
    40,088.57x = 55,321.40 × 22,183.57
  4. Step 4: Simplify right side
    40,088.57x = 1,227,226,066.55
  5. Step 5: Solve for x
    x = 1,227,226,066.55/40,088.57
  6. Step 6: Final answer
    x = 30,612.87

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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.