Home / 47,172.87-65,114.55-29,278.35

Finding the Fourth Proportional to 47,172.87, 65,114.55 and 29,278.35

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Solution

The fourth proportional to 47,172.87, 65,114.55 and 29,278.35 is: 40,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,172.87 : 65,114.55 = 29,278.35 : x
  2. Step 2: Convert to fraction form
    47,172.87/65,114.55 = 29,278.35/x
  3. Step 3: Cross multiply
    47,172.87x = 65,114.55 × 29,278.35
  4. Step 4: Simplify right side
    47,172.87x = 1,906,446,584.99
  5. Step 5: Solve for x
    x = 1,906,446,584.99/47,172.87
  6. Step 6: Final answer
    x = 40,414.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.