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Finding the Fourth Proportional to 34,372, 51,581.08 and 12,484

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Solution

The fourth proportional to 34,372, 51,581.08 and 12,484 is: 18,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,372 : 51,581.08 = 12,484 : x
  2. Step 2: Convert to fraction form
    34,372/51,581.08 = 12,484/x
  3. Step 3: Cross multiply
    34,372x = 51,581.08 × 12,484
  4. Step 4: Simplify right side
    34,372x = 643,938,202.72
  5. Step 5: Solve for x
    x = 643,938,202.72/34,372
  6. Step 6: Final answer
    x = 18,734.38

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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.