Home / 50,948.20-76,422.30-21,356.20

Finding the Fourth Proportional to 50,948.20, 76,422.30 and 21,356.20

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Solution

The fourth proportional to 50,948.20, 76,422.30 and 21,356.20 is: 32,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,948.20 : 76,422.30 = 21,356.20 : x
  2. Step 2: Convert to fraction form
    50,948.20/76,422.30 = 21,356.20/x
  3. Step 3: Cross multiply
    50,948.20x = 76,422.30 × 21,356.20
  4. Step 4: Simplify right side
    50,948.20x = 1,632,089,923.26
  5. Step 5: Solve for x
    x = 1,632,089,923.26/50,948.20
  6. Step 6: Final answer
    x = 32,034.30

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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.