Home / 36,398.88-50,247.45-21,289.46

Finding the Fourth Proportional to 36,398.88, 50,247.45 and 21,289.46

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Solution

The fourth proportional to 36,398.88, 50,247.45 and 21,289.46 is: 29,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,398.88 : 50,247.45 = 21,289.46 : x
  2. Step 2: Convert to fraction form
    36,398.88/50,247.45 = 21,289.46/x
  3. Step 3: Cross multiply
    36,398.88x = 50,247.45 × 21,289.46
  4. Step 4: Simplify right side
    36,398.88x = 1,069,740,825.64
  5. Step 5: Solve for x
    x = 1,069,740,825.64/36,398.88
  6. Step 6: Final answer
    x = 29,389.39

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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.