Home / 50,809.86-76,242.33-21,230.28

Finding the Fourth Proportional to 50,809.86, 76,242.33 and 21,230.28

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Solution

The fourth proportional to 50,809.86, 76,242.33 and 21,230.28 is: 31,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.86 : 76,242.33 = 21,230.28 : x
  2. Step 2: Convert to fraction form
    50,809.86/76,242.33 = 21,230.28/x
  3. Step 3: Cross multiply
    50,809.86x = 76,242.33 × 21,230.28
  4. Step 4: Simplify right side
    50,809.86x = 1,618,646,013.75
  5. Step 5: Solve for x
    x = 1,618,646,013.75/50,809.86
  6. Step 6: Final answer
    x = 31,856.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.