Home / 34,529.20-51,832.20-21,396.40

Finding the Fourth Proportional to 34,529.20, 51,832.20 and 21,396.40

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Solution

The fourth proportional to 34,529.20, 51,832.20 and 21,396.40 is: 32,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,529.20 : 51,832.20 = 21,396.40 : x
  2. Step 2: Convert to fraction form
    34,529.20/51,832.20 = 21,396.40/x
  3. Step 3: Cross multiply
    34,529.20x = 51,832.20 × 21,396.40
  4. Step 4: Simplify right side
    34,529.20x = 1,109,022,484.08
  5. Step 5: Solve for x
    x = 1,109,022,484.08/34,529.20
  6. Step 6: Final answer
    x = 32,118.39

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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.