Home / 40,157.16-55,419.09-22,251.77

Finding the Fourth Proportional to 40,157.16, 55,419.09 and 22,251.77

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Solution

The fourth proportional to 40,157.16, 55,419.09 and 22,251.77 is: 30,708.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.16 : 55,419.09 = 22,251.77 : x
  2. Step 2: Convert to fraction form
    40,157.16/55,419.09 = 22,251.77/x
  3. Step 3: Cross multiply
    40,157.16x = 55,419.09 × 22,251.77
  4. Step 4: Simplify right side
    40,157.16x = 1,233,172,691.57
  5. Step 5: Solve for x
    x = 1,233,172,691.57/40,157.16
  6. Step 6: Final answer
    x = 30,708.67

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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.