Home / 57,904.28-86,867.36-19,943.44

Finding the Fourth Proportional to 57,904.28, 86,867.36 and 19,943.44

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Solution

The fourth proportional to 57,904.28, 86,867.36 and 19,943.44 is: 29,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,904.28 : 86,867.36 = 19,943.44 : x
  2. Step 2: Convert to fraction form
    57,904.28/86,867.36 = 19,943.44/x
  3. Step 3: Cross multiply
    57,904.28x = 86,867.36 × 19,943.44
  4. Step 4: Simplify right side
    57,904.28x = 1,732,433,982.12
  5. Step 5: Solve for x
    x = 1,732,433,982.12/57,904.28
  6. Step 6: Final answer
    x = 29,918.93

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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.