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Finding the Fourth Proportional to 29,023, 43,534.98 and 12,607

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Solution

The fourth proportional to 29,023, 43,534.98 and 12,607 is: 18,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,023 : 43,534.98 = 12,607 : x
  2. Step 2: Convert to fraction form
    29,023/43,534.98 = 12,607/x
  3. Step 3: Cross multiply
    29,023x = 43,534.98 × 12,607
  4. Step 4: Simplify right side
    29,023x = 548,845,492.86
  5. Step 5: Solve for x
    x = 548,845,492.86/29,023
  6. Step 6: Final answer
    x = 18,910.71

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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.