Home / 37,129.28-51,239.84-20,361.92

Finding the Fourth Proportional to 37,129.28, 51,239.84 and 20,361.92

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Solution

The fourth proportional to 37,129.28, 51,239.84 and 20,361.92 is: 28,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.28 : 51,239.84 = 20,361.92 : x
  2. Step 2: Convert to fraction form
    37,129.28/51,239.84 = 20,361.92/x
  3. Step 3: Cross multiply
    37,129.28x = 51,239.84 × 20,361.92
  4. Step 4: Simplify right side
    37,129.28x = 1,043,341,522.89
  5. Step 5: Solve for x
    x = 1,043,341,522.89/37,129.28
  6. Step 6: Final answer
    x = 28,100.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.