Home / 37,356.80-51,551.70-20,361.20

Finding the Fourth Proportional to 37,356.80, 51,551.70 and 20,361.20

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Solution

The fourth proportional to 37,356.80, 51,551.70 and 20,361.20 is: 28,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,356.80 : 51,551.70 = 20,361.20 : x
  2. Step 2: Convert to fraction form
    37,356.80/51,551.70 = 20,361.20/x
  3. Step 3: Cross multiply
    37,356.80x = 51,551.70 × 20,361.20
  4. Step 4: Simplify right side
    37,356.80x = 1,049,654,474.04
  5. Step 5: Solve for x
    x = 1,049,654,474.04/37,356.80
  6. Step 6: Final answer
    x = 28,098.08

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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.