Home / 36,945.69-50,979.54-20,810.69

Finding the Fourth Proportional to 36,945.69, 50,979.54 and 20,810.69

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Solution

The fourth proportional to 36,945.69, 50,979.54 and 20,810.69 is: 28,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,945.69 : 50,979.54 = 20,810.69 : x
  2. Step 2: Convert to fraction form
    36,945.69/50,979.54 = 20,810.69/x
  3. Step 3: Cross multiply
    36,945.69x = 50,979.54 × 20,810.69
  4. Step 4: Simplify right side
    36,945.69x = 1,060,919,452.69
  5. Step 5: Solve for x
    x = 1,060,919,452.69/36,945.69
  6. Step 6: Final answer
    x = 28,715.65

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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.