Home / 42,286.26-58,299.72-36,381.36

Finding the Fourth Proportional to 42,286.26, 58,299.72 and 36,381.36

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Solution

The fourth proportional to 42,286.26, 58,299.72 and 36,381.36 is: 50,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286.26 : 58,299.72 = 36,381.36 : x
  2. Step 2: Convert to fraction form
    42,286.26/58,299.72 = 36,381.36/x
  3. Step 3: Cross multiply
    42,286.26x = 58,299.72 × 36,381.36
  4. Step 4: Simplify right side
    42,286.26x = 2,121,023,101.22
  5. Step 5: Solve for x
    x = 2,121,023,101.22/42,286.26
  6. Step 6: Final answer
    x = 50,158.68

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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.