Home / 36,217.14-49,985.88-21,118.66

Finding the Fourth Proportional to 36,217.14, 49,985.88 and 21,118.66

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Solution

The fourth proportional to 36,217.14, 49,985.88 and 21,118.66 is: 29,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,217.14 : 49,985.88 = 21,118.66 : x
  2. Step 2: Convert to fraction form
    36,217.14/49,985.88 = 21,118.66/x
  3. Step 3: Cross multiply
    36,217.14x = 49,985.88 × 21,118.66
  4. Step 4: Simplify right side
    36,217.14x = 1,055,634,804.52
  5. Step 5: Solve for x
    x = 1,055,634,804.52/36,217.14
  6. Step 6: Final answer
    x = 29,147.38

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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.