Home / 36,030.46-49,720.71-20,115.58

Finding the Fourth Proportional to 36,030.46, 49,720.71 and 20,115.58

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Solution

The fourth proportional to 36,030.46, 49,720.71 and 20,115.58 is: 27,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,030.46 : 49,720.71 = 20,115.58 : x
  2. Step 2: Convert to fraction form
    36,030.46/49,720.71 = 20,115.58/x
  3. Step 3: Cross multiply
    36,030.46x = 49,720.71 × 20,115.58
  4. Step 4: Simplify right side
    36,030.46x = 1,000,160,919.66
  5. Step 5: Solve for x
    x = 1,000,160,919.66/36,030.46
  6. Step 6: Final answer
    x = 27,758.76

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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.