Home / 39,773.85-59,671.91-13,480.57

Finding the Fourth Proportional to 39,773.85, 59,671.91 and 13,480.57

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Solution

The fourth proportional to 39,773.85, 59,671.91 and 13,480.57 is: 20,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,773.85 : 59,671.91 = 13,480.57 : x
  2. Step 2: Convert to fraction form
    39,773.85/59,671.91 = 13,480.57/x
  3. Step 3: Cross multiply
    39,773.85x = 59,671.91 × 13,480.57
  4. Step 4: Simplify right side
    39,773.85x = 804,411,359.79
  5. Step 5: Solve for x
    x = 804,411,359.79/39,773.85
  6. Step 6: Final answer
    x = 20,224.63

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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.