Home / 33,915.96-50,870.70-20,761.56

Finding the Fourth Proportional to 33,915.96, 50,870.70 and 20,761.56

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Solution

The fourth proportional to 33,915.96, 50,870.70 and 20,761.56 is: 31,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.96 : 50,870.70 = 20,761.56 : x
  2. Step 2: Convert to fraction form
    33,915.96/50,870.70 = 20,761.56/x
  3. Step 3: Cross multiply
    33,915.96x = 50,870.70 × 20,761.56
  4. Step 4: Simplify right side
    33,915.96x = 1,056,155,090.29
  5. Step 5: Solve for x
    x = 1,056,155,090.29/33,915.96
  6. Step 6: Final answer
    x = 31,140.36

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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.