Home / 36,909.37-50,937.74-20,992.87

Finding the Fourth Proportional to 36,909.37, 50,937.74 and 20,992.87

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Solution

The fourth proportional to 36,909.37, 50,937.74 and 20,992.87 is: 28,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.37 : 50,937.74 = 20,992.87 : x
  2. Step 2: Convert to fraction form
    36,909.37/50,937.74 = 20,992.87/x
  3. Step 3: Cross multiply
    36,909.37x = 50,937.74 × 20,992.87
  4. Step 4: Simplify right side
    36,909.37x = 1,069,329,353.91
  5. Step 5: Solve for x
    x = 1,069,329,353.91/36,909.37
  6. Step 6: Final answer
    x = 28,971.76

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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.