Home / 36,630.70-54,946.05-21,856.30

Finding the Fourth Proportional to 36,630.70, 54,946.05 and 21,856.30

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Solution

The fourth proportional to 36,630.70, 54,946.05 and 21,856.30 is: 32,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,630.70 : 54,946.05 = 21,856.30 : x
  2. Step 2: Convert to fraction form
    36,630.70/54,946.05 = 21,856.30/x
  3. Step 3: Cross multiply
    36,630.70x = 54,946.05 × 21,856.30
  4. Step 4: Simplify right side
    36,630.70x = 1,200,917,352.62
  5. Step 5: Solve for x
    x = 1,200,917,352.62/36,630.70
  6. Step 6: Final answer
    x = 32,784.45

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Similar ratio
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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.