Home / 39,925.62-55,096.38-22,020.30

Finding the Fourth Proportional to 39,925.62, 55,096.38 and 22,020.30

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Solution

The fourth proportional to 39,925.62, 55,096.38 and 22,020.30 is: 30,387.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,925.62 : 55,096.38 = 22,020.30 : x
  2. Step 2: Convert to fraction form
    39,925.62/55,096.38 = 22,020.30/x
  3. Step 3: Cross multiply
    39,925.62x = 55,096.38 × 22,020.30
  4. Step 4: Simplify right side
    39,925.62x = 1,213,238,816.51
  5. Step 5: Solve for x
    x = 1,213,238,816.51/39,925.62
  6. Step 6: Final answer
    x = 30,387.48

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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.