Home / 36,917.78-50,946.08-21,002.19

Finding the Fourth Proportional to 36,917.78, 50,946.08 and 21,002.19

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Solution

The fourth proportional to 36,917.78, 50,946.08 and 21,002.19 is: 28,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,917.78 : 50,946.08 = 21,002.19 : x
  2. Step 2: Convert to fraction form
    36,917.78/50,946.08 = 21,002.19/x
  3. Step 3: Cross multiply
    36,917.78x = 50,946.08 × 21,002.19
  4. Step 4: Simplify right side
    36,917.78x = 1,069,979,146.90
  5. Step 5: Solve for x
    x = 1,069,979,146.90/36,917.78
  6. Step 6: Final answer
    x = 28,982.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.