Home / 36,223.20-49,985.91-21,118.32

Finding the Fourth Proportional to 36,223.20, 49,985.91 and 21,118.32

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Solution

The fourth proportional to 36,223.20, 49,985.91 and 21,118.32 is: 29,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,223.20 : 49,985.91 = 21,118.32 : x
  2. Step 2: Convert to fraction form
    36,223.20/49,985.91 = 21,118.32/x
  3. Step 3: Cross multiply
    36,223.20x = 49,985.91 × 21,118.32
  4. Step 4: Simplify right side
    36,223.20x = 1,055,618,442.87
  5. Step 5: Solve for x
    x = 1,055,618,442.87/36,223.20
  6. Step 6: Final answer
    x = 29,142.05

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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.