Home / 34,396.58-47,447.17-21,629.55

Finding the Fourth Proportional to 34,396.58, 47,447.17 and 21,629.55

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Solution

The fourth proportional to 34,396.58, 47,447.17 and 21,629.55 is: 29,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,396.58 : 47,447.17 = 21,629.55 : x
  2. Step 2: Convert to fraction form
    34,396.58/47,447.17 = 21,629.55/x
  3. Step 3: Cross multiply
    34,396.58x = 47,447.17 × 21,629.55
  4. Step 4: Simplify right side
    34,396.58x = 1,026,260,881.80
  5. Step 5: Solve for x
    x = 1,026,260,881.80/34,396.58
  6. Step 6: Final answer
    x = 29,836.13

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1.5x scale

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.