Home / 39,970.83-55,160.20-22,065.85

Finding the Fourth Proportional to 39,970.83, 55,160.20 and 22,065.85

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Solution

The fourth proportional to 39,970.83, 55,160.20 and 22,065.85 is: 30,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.83 : 55,160.20 = 22,065.85 : x
  2. Step 2: Convert to fraction form
    39,970.83/55,160.20 = 22,065.85/x
  3. Step 3: Cross multiply
    39,970.83x = 55,160.20 × 22,065.85
  4. Step 4: Simplify right side
    39,970.83x = 1,217,156,313.04
  5. Step 5: Solve for x
    x = 1,217,156,313.04/39,970.83
  6. Step 6: Final answer
    x = 30,451.11

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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.