Home / 50,820.96-76,219.14-21,222.72

Finding the Fourth Proportional to 50,820.96, 76,219.14 and 21,222.72

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Solution

The fourth proportional to 50,820.96, 76,219.14 and 21,222.72 is: 31,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.96 : 76,219.14 = 21,222.72 : x
  2. Step 2: Convert to fraction form
    50,820.96/76,219.14 = 21,222.72/x
  3. Step 3: Cross multiply
    50,820.96x = 76,219.14 × 21,222.72
  4. Step 4: Simplify right side
    50,820.96x = 1,617,577,466.86
  5. Step 5: Solve for x
    x = 1,617,577,466.86/50,820.96
  6. Step 6: Final answer
    x = 31,828.94

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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.