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Finding the Fourth Proportional to 60,272, 90,408 and 23,336

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Solution

The fourth proportional to 60,272, 90,408 and 23,336 is: 35,004

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,272 : 90,408 = 23,336 : x
  2. Step 2: Convert to fraction form
    60,272/90,408 = 23,336/x
  3. Step 3: Cross multiply
    60,272x = 90,408 × 23,336
  4. Step 4: Simplify right side
    60,272x = 2,109,761,088
  5. Step 5: Solve for x
    x = 2,109,761,088/60,272
  6. Step 6: Final answer
    x = 35,004

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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.