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Finding the Fourth Proportional to 36,600.80, 54,901.20 and 21,802.10

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Solution

The fourth proportional to 36,600.80, 54,901.20 and 21,802.10 is: 32,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,600.80 : 54,901.20 = 21,802.10 : x
  2. Step 2: Convert to fraction form
    36,600.80/54,901.20 = 21,802.10/x
  3. Step 3: Cross multiply
    36,600.80x = 54,901.20 × 21,802.10
  4. Step 4: Simplify right side
    36,600.80x = 1,196,961,452.52
  5. Step 5: Solve for x
    x = 1,196,961,452.52/36,600.80
  6. Step 6: Final answer
    x = 32,703.15

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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.