Home / 38,408.85-57,667.14-19,702.17

Finding the Fourth Proportional to 38,408.85, 57,667.14 and 19,702.17

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Solution

The fourth proportional to 38,408.85, 57,667.14 and 19,702.17 is: 29,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,408.85 : 57,667.14 = 19,702.17 : x
  2. Step 2: Convert to fraction form
    38,408.85/57,667.14 = 19,702.17/x
  3. Step 3: Cross multiply
    38,408.85x = 57,667.14 × 19,702.17
  4. Step 4: Simplify right side
    38,408.85x = 1,136,167,795.69
  5. Step 5: Solve for x
    x = 1,136,167,795.69/38,408.85
  6. Step 6: Final answer
    x = 29,580.89

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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.