Home / 36,335.04-50,143.85-20,419.46

Finding the Fourth Proportional to 36,335.04, 50,143.85 and 20,419.46

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Solution

The fourth proportional to 36,335.04, 50,143.85 and 20,419.46 is: 28,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,335.04 : 50,143.85 = 20,419.46 : x
  2. Step 2: Convert to fraction form
    36,335.04/50,143.85 = 20,419.46/x
  3. Step 3: Cross multiply
    36,335.04x = 50,143.85 × 20,419.46
  4. Step 4: Simplify right side
    36,335.04x = 1,023,909,986.50
  5. Step 5: Solve for x
    x = 1,023,909,986.50/36,335.04
  6. Step 6: Final answer
    x = 28,179.69

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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.