Home / 57,864.08-86,796.12-18,433.28

Finding the Fourth Proportional to 57,864.08, 86,796.12 and 18,433.28

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Solution

The fourth proportional to 57,864.08, 86,796.12 and 18,433.28 is: 27,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,864.08 : 86,796.12 = 18,433.28 : x
  2. Step 2: Convert to fraction form
    57,864.08/86,796.12 = 18,433.28/x
  3. Step 3: Cross multiply
    57,864.08x = 86,796.12 × 18,433.28
  4. Step 4: Simplify right side
    57,864.08x = 1,599,937,182.87
  5. Step 5: Solve for x
    x = 1,599,937,182.87/57,864.08
  6. Step 6: Final answer
    x = 27,649.92

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Similar ratio
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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.