Home / 40,066.08-55,288.92-22,160.04

Finding the Fourth Proportional to 40,066.08, 55,288.92 and 22,160.04

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Solution

The fourth proportional to 40,066.08, 55,288.92 and 22,160.04 is: 30,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.08 : 55,288.92 = 22,160.04 : x
  2. Step 2: Convert to fraction form
    40,066.08/55,288.92 = 22,160.04/x
  3. Step 3: Cross multiply
    40,066.08x = 55,288.92 × 22,160.04
  4. Step 4: Simplify right side
    40,066.08x = 1,225,204,678.76
  5. Step 5: Solve for x
    x = 1,225,204,678.76/40,066.08
  6. Step 6: Final answer
    x = 30,579.60

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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.