Home / 36,335.23-50,142.30-20,419.64

Finding the Fourth Proportional to 36,335.23, 50,142.30 and 20,419.64

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Solution

The fourth proportional to 36,335.23, 50,142.30 and 20,419.64 is: 28,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,335.23 : 50,142.30 = 20,419.64 : x
  2. Step 2: Convert to fraction form
    36,335.23/50,142.30 = 20,419.64/x
  3. Step 3: Cross multiply
    36,335.23x = 50,142.30 × 20,419.64
  4. Step 4: Simplify right side
    36,335.23x = 1,023,887,612.67
  5. Step 5: Solve for x
    x = 1,023,887,612.67/36,335.23
  6. Step 6: Final answer
    x = 28,178.93

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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.