Home / 37,586.28-51,868.31-21,669.78

Finding the Fourth Proportional to 37,586.28, 51,868.31 and 21,669.78

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Solution

The fourth proportional to 37,586.28, 51,868.31 and 21,669.78 is: 29,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,586.28 : 51,868.31 = 21,669.78 : x
  2. Step 2: Convert to fraction form
    37,586.28/51,868.31 = 21,669.78/x
  3. Step 3: Cross multiply
    37,586.28x = 51,868.31 × 21,669.78
  4. Step 4: Simplify right side
    37,586.28x = 1,123,974,758.32
  5. Step 5: Solve for x
    x = 1,123,974,758.32/37,586.28
  6. Step 6: Final answer
    x = 29,903.86

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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.