Home / 36,909.69-50,939.12-21,807.24

Finding the Fourth Proportional to 36,909.69, 50,939.12 and 21,807.24

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Solution

The fourth proportional to 36,909.69, 50,939.12 and 21,807.24 is: 30,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.69 : 50,939.12 = 21,807.24 : x
  2. Step 2: Convert to fraction form
    36,909.69/50,939.12 = 21,807.24/x
  3. Step 3: Cross multiply
    36,909.69x = 50,939.12 × 21,807.24
  4. Step 4: Simplify right side
    36,909.69x = 1,110,841,669.75
  5. Step 5: Solve for x
    x = 1,110,841,669.75/36,909.69
  6. Step 6: Final answer
    x = 30,096.21

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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.