Home / 34,396.40-47,446.90-21,629.36

Finding the Fourth Proportional to 34,396.40, 47,446.90 and 21,629.36

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Solution

The fourth proportional to 34,396.40, 47,446.90 and 21,629.36 is: 29,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,396.40 : 47,446.90 = 21,629.36 : x
  2. Step 2: Convert to fraction form
    34,396.40/47,446.90 = 21,629.36/x
  3. Step 3: Cross multiply
    34,396.40x = 47,446.90 × 21,629.36
  4. Step 4: Simplify right side
    34,396.40x = 1,026,246,145.53
  5. Step 5: Solve for x
    x = 1,026,246,145.53/34,396.40
  6. Step 6: Final answer
    x = 29,835.86

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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.