Home / 37,128.06-51,236.79-20,361.18

Finding the Fourth Proportional to 37,128.06, 51,236.79 and 20,361.18

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Solution

The fourth proportional to 37,128.06, 51,236.79 and 20,361.18 is: 28,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.06 : 51,236.79 = 20,361.18 : x
  2. Step 2: Convert to fraction form
    37,128.06/51,236.79 = 20,361.18/x
  3. Step 3: Cross multiply
    37,128.06x = 51,236.79 × 20,361.18
  4. Step 4: Simplify right side
    37,128.06x = 1,043,241,503.81
  5. Step 5: Solve for x
    x = 1,043,241,503.81/37,128.06
  6. Step 6: Final answer
    x = 28,098.47

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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.