Home / 36,387.88-50,216-21,292.08

Finding the Fourth Proportional to 36,387.88, 50,216 and 21,292.08

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Solution

The fourth proportional to 36,387.88, 50,216 and 21,292.08 is: 29,383.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,387.88 : 50,216 = 21,292.08 : x
  2. Step 2: Convert to fraction form
    36,387.88/50,216 = 21,292.08/x
  3. Step 3: Cross multiply
    36,387.88x = 50,216 × 21,292.08
  4. Step 4: Simplify right side
    36,387.88x = 1,069,203,089.28
  5. Step 5: Solve for x
    x = 1,069,203,089.28/36,387.88
  6. Step 6: Final answer
    x = 29,383.49

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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.