Home / 39,819.80-54,950.20-22,826.81

Finding the Fourth Proportional to 39,819.80, 54,950.20 and 22,826.81

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Solution

The fourth proportional to 39,819.80, 54,950.20 and 22,826.81 is: 31,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.80 : 54,950.20 = 22,826.81 : x
  2. Step 2: Convert to fraction form
    39,819.80/54,950.20 = 22,826.81/x
  3. Step 3: Cross multiply
    39,819.80x = 54,950.20 × 22,826.81
  4. Step 4: Simplify right side
    39,819.80x = 1,254,337,855.17
  5. Step 5: Solve for x
    x = 1,254,337,855.17/39,819.80
  6. Step 6: Final answer
    x = 31,500.35

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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.