Home / 53,760.38-80,590.16-18,196.81

Finding the Fourth Proportional to 53,760.38, 80,590.16 and 18,196.81

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Solution

The fourth proportional to 53,760.38, 80,590.16 and 18,196.81 is: 27,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760.38 : 80,590.16 = 18,196.81 : x
  2. Step 2: Convert to fraction form
    53,760.38/80,590.16 = 18,196.81/x
  3. Step 3: Cross multiply
    53,760.38x = 80,590.16 × 18,196.81
  4. Step 4: Simplify right side
    53,760.38x = 1,466,483,426.44
  5. Step 5: Solve for x
    x = 1,466,483,426.44/53,760.38
  6. Step 6: Final answer
    x = 27,278.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.