Home / 34,421.72-51,626.44-21,904.60

Finding the Fourth Proportional to 34,421.72, 51,626.44 and 21,904.60

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Solution

The fourth proportional to 34,421.72, 51,626.44 and 21,904.60 is: 32,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,421.72 : 51,626.44 = 21,904.60 : x
  2. Step 2: Convert to fraction form
    34,421.72/51,626.44 = 21,904.60/x
  3. Step 3: Cross multiply
    34,421.72x = 51,626.44 × 21,904.60
  4. Step 4: Simplify right side
    34,421.72x = 1,130,856,517.62
  5. Step 5: Solve for x
    x = 1,130,856,517.62/34,421.72
  6. Step 6: Final answer
    x = 32,852.99

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1.5x scale

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.