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Finding the Fourth Proportional to 40,294, 60,441 and 15,670

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Solution

The fourth proportional to 40,294, 60,441 and 15,670 is: 23,505

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,294 : 60,441 = 15,670 : x
  2. Step 2: Convert to fraction form
    40,294/60,441 = 15,670/x
  3. Step 3: Cross multiply
    40,294x = 60,441 × 15,670
  4. Step 4: Simplify right side
    40,294x = 947,110,470
  5. Step 5: Solve for x
    x = 947,110,470/40,294
  6. Step 6: Final answer
    x = 23,505

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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.