Home / 36,181.50-54,287.78-18,663.63

Finding the Fourth Proportional to 36,181.50, 54,287.78 and 18,663.63

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Solution

The fourth proportional to 36,181.50, 54,287.78 and 18,663.63 is: 28,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,181.50 : 54,287.78 = 18,663.63 : x
  2. Step 2: Convert to fraction form
    36,181.50/54,287.78 = 18,663.63/x
  3. Step 3: Cross multiply
    36,181.50x = 54,287.78 × 18,663.63
  4. Step 4: Simplify right side
    36,181.50x = 1,013,206,946.12
  5. Step 5: Solve for x
    x = 1,013,206,946.12/36,181.50
  6. Step 6: Final answer
    x = 28,003.45

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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.