Home / 36,699.30-50,643.34-20,783.87

Finding the Fourth Proportional to 36,699.30, 50,643.34 and 20,783.87

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Solution

The fourth proportional to 36,699.30, 50,643.34 and 20,783.87 is: 28,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.30 : 50,643.34 = 20,783.87 : x
  2. Step 2: Convert to fraction form
    36,699.30/50,643.34 = 20,783.87/x
  3. Step 3: Cross multiply
    36,699.30x = 50,643.34 × 20,783.87
  4. Step 4: Simplify right side
    36,699.30x = 1,052,564,479.66
  5. Step 5: Solve for x
    x = 1,052,564,479.66/36,699.30
  6. Step 6: Final answer
    x = 28,680.78

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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.