Home / 32,867.70-49,301.55-21,057.90

Finding the Fourth Proportional to 32,867.70, 49,301.55 and 21,057.90

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Solution

The fourth proportional to 32,867.70, 49,301.55 and 21,057.90 is: 31,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,867.70 : 49,301.55 = 21,057.90 : x
  2. Step 2: Convert to fraction form
    32,867.70/49,301.55 = 21,057.90/x
  3. Step 3: Cross multiply
    32,867.70x = 49,301.55 × 21,057.90
  4. Step 4: Simplify right side
    32,867.70x = 1,038,187,109.75
  5. Step 5: Solve for x
    x = 1,038,187,109.75/32,867.70
  6. Step 6: Final answer
    x = 31,586.85

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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.