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Finding the Fourth Proportional to 39,999.88, 60,002 and 10,417.80

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Solution

The fourth proportional to 39,999.88, 60,002 and 10,417.80 is: 15,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,999.88 : 60,002 = 10,417.80 : x
  2. Step 2: Convert to fraction form
    39,999.88/60,002 = 10,417.80/x
  3. Step 3: Cross multiply
    39,999.88x = 60,002 × 10,417.80
  4. Step 4: Simplify right side
    39,999.88x = 625,088,835.60
  5. Step 5: Solve for x
    x = 625,088,835.60/39,999.88
  6. Step 6: Final answer
    x = 15,627.27

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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.