Home / 57,438.72-86,171.04-17,995.68

Finding the Fourth Proportional to 57,438.72, 86,171.04 and 17,995.68

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Solution

The fourth proportional to 57,438.72, 86,171.04 and 17,995.68 is: 26,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438.72 : 86,171.04 = 17,995.68 : x
  2. Step 2: Convert to fraction form
    57,438.72/86,171.04 = 17,995.68/x
  3. Step 3: Cross multiply
    57,438.72x = 86,171.04 × 17,995.68
  4. Step 4: Simplify right side
    57,438.72x = 1,550,706,461.11
  5. Step 5: Solve for x
    x = 1,550,706,461.11/57,438.72
  6. Step 6: Final answer
    x = 26,997.58

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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.