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Finding the Fourth Proportional to 39,958, 59,939.88 and 15,334

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Solution

The fourth proportional to 39,958, 59,939.88 and 15,334 is: 23,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958 : 59,939.88 = 15,334 : x
  2. Step 2: Convert to fraction form
    39,958/59,939.88 = 15,334/x
  3. Step 3: Cross multiply
    39,958x = 59,939.88 × 15,334
  4. Step 4: Simplify right side
    39,958x = 919,118,119.92
  5. Step 5: Solve for x
    x = 919,118,119.92/39,958
  6. Step 6: Final answer
    x = 23,002.11

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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.