Home / 32,310.92-48,490.05-21,213.70

Finding the Fourth Proportional to 32,310.92, 48,490.05 and 21,213.70

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Solution

The fourth proportional to 32,310.92, 48,490.05 and 21,213.70 is: 31,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,310.92 : 48,490.05 = 21,213.70 : x
  2. Step 2: Convert to fraction form
    32,310.92/48,490.05 = 21,213.70/x
  3. Step 3: Cross multiply
    32,310.92x = 48,490.05 × 21,213.70
  4. Step 4: Simplify right side
    32,310.92x = 1,028,653,373.69
  5. Step 5: Solve for x
    x = 1,028,653,373.69/32,310.92
  6. Step 6: Final answer
    x = 31,836.09

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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.