Home / 39,132.33-58,702.74-12,472.07

Finding the Fourth Proportional to 39,132.33, 58,702.74 and 12,472.07

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Solution

The fourth proportional to 39,132.33, 58,702.74 and 12,472.07 is: 18,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.33 : 58,702.74 = 12,472.07 : x
  2. Step 2: Convert to fraction form
    39,132.33/58,702.74 = 12,472.07/x
  3. Step 3: Cross multiply
    39,132.33x = 58,702.74 × 12,472.07
  4. Step 4: Simplify right side
    39,132.33x = 732,144,388.96
  5. Step 5: Solve for x
    x = 732,144,388.96/39,132.33
  6. Step 6: Final answer
    x = 18,709.45

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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.