Home / 39,245.85-54,158.13-22,251.67

Finding the Fourth Proportional to 39,245.85, 54,158.13 and 22,251.67

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Solution

The fourth proportional to 39,245.85, 54,158.13 and 22,251.67 is: 30,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245.85 : 54,158.13 = 22,251.67 : x
  2. Step 2: Convert to fraction form
    39,245.85/54,158.13 = 22,251.67/x
  3. Step 3: Cross multiply
    39,245.85x = 54,158.13 × 22,251.67
  4. Step 4: Simplify right side
    39,245.85x = 1,205,108,701.18
  5. Step 5: Solve for x
    x = 1,205,108,701.18/39,245.85
  6. Step 6: Final answer
    x = 30,706.65

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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.