Home / 36,337.14-50,142.96-20,421.36

Finding the Fourth Proportional to 36,337.14, 50,142.96 and 20,421.36

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Solution

The fourth proportional to 36,337.14, 50,142.96 and 20,421.36 is: 28,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,337.14 : 50,142.96 = 20,421.36 : x
  2. Step 2: Convert to fraction form
    36,337.14/50,142.96 = 20,421.36/x
  3. Step 3: Cross multiply
    36,337.14x = 50,142.96 × 20,421.36
  4. Step 4: Simplify right side
    36,337.14x = 1,023,987,437.63
  5. Step 5: Solve for x
    x = 1,023,987,437.63/36,337.14
  6. Step 6: Final answer
    x = 28,180.19

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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.