Home / 33,625.60-50,438.40-21,875.20

Finding the Fourth Proportional to 33,625.60, 50,438.40 and 21,875.20

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Solution

The fourth proportional to 33,625.60, 50,438.40 and 21,875.20 is: 32,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,625.60 : 50,438.40 = 21,875.20 : x
  2. Step 2: Convert to fraction form
    33,625.60/50,438.40 = 21,875.20/x
  3. Step 3: Cross multiply
    33,625.60x = 50,438.40 × 21,875.20
  4. Step 4: Simplify right side
    33,625.60x = 1,103,350,087.68
  5. Step 5: Solve for x
    x = 1,103,350,087.68/33,625.60
  6. Step 6: Final answer
    x = 32,812.80

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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.