Home / 39,658.10-54,730.96-22,664.85

Finding the Fourth Proportional to 39,658.10, 54,730.96 and 22,664.85

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Solution

The fourth proportional to 39,658.10, 54,730.96 and 22,664.85 is: 31,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,658.10 : 54,730.96 = 22,664.85 : x
  2. Step 2: Convert to fraction form
    39,658.10/54,730.96 = 22,664.85/x
  3. Step 3: Cross multiply
    39,658.10x = 54,730.96 × 22,664.85
  4. Step 4: Simplify right side
    39,658.10x = 1,240,468,998.76
  5. Step 5: Solve for x
    x = 1,240,468,998.76/39,658.10
  6. Step 6: Final answer
    x = 31,279.08

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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.