Home / 36,332.58-50,139.96-20,418.48

Finding the Fourth Proportional to 36,332.58, 50,139.96 and 20,418.48

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Solution

The fourth proportional to 36,332.58, 50,139.96 and 20,418.48 is: 28,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,332.58 : 50,139.96 = 20,418.48 : x
  2. Step 2: Convert to fraction form
    36,332.58/50,139.96 = 20,418.48/x
  3. Step 3: Cross multiply
    36,332.58x = 50,139.96 × 20,418.48
  4. Step 4: Simplify right side
    36,332.58x = 1,023,781,770.46
  5. Step 5: Solve for x
    x = 1,023,781,770.46/36,332.58
  6. Step 6: Final answer
    x = 28,178.06

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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.