Home / 37,268.06-51,431.28-21,355.56

Finding the Fourth Proportional to 37,268.06, 51,431.28 and 21,355.56

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Solution

The fourth proportional to 37,268.06, 51,431.28 and 21,355.56 is: 29,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,268.06 : 51,431.28 = 21,355.56 : x
  2. Step 2: Convert to fraction form
    37,268.06/51,431.28 = 21,355.56/x
  3. Step 3: Cross multiply
    37,268.06x = 51,431.28 × 21,355.56
  4. Step 4: Simplify right side
    37,268.06x = 1,098,343,785.92
  5. Step 5: Solve for x
    x = 1,098,343,785.92/37,268.06
  6. Step 6: Final answer
    x = 29,471.45

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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.