Home / 36,397.85-50,218.93-21,858.28

Finding the Fourth Proportional to 36,397.85, 50,218.93 and 21,858.28

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Solution

The fourth proportional to 36,397.85, 50,218.93 and 21,858.28 is: 30,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,397.85 : 50,218.93 = 21,858.28 : x
  2. Step 2: Convert to fraction form
    36,397.85/50,218.93 = 21,858.28/x
  3. Step 3: Cross multiply
    36,397.85x = 50,218.93 × 21,858.28
  4. Step 4: Simplify right side
    36,397.85x = 1,097,699,335.02
  5. Step 5: Solve for x
    x = 1,097,699,335.02/36,397.85
  6. Step 6: Final answer
    x = 30,158.36

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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.