Home / 37,164.28-51,289.38-21,253.72

Finding the Fourth Proportional to 37,164.28, 51,289.38 and 21,253.72

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Solution

The fourth proportional to 37,164.28, 51,289.38 and 21,253.72 is: 29,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,164.28 : 51,289.38 = 21,253.72 : x
  2. Step 2: Convert to fraction form
    37,164.28/51,289.38 = 21,253.72/x
  3. Step 3: Cross multiply
    37,164.28x = 51,289.38 × 21,253.72
  4. Step 4: Simplify right side
    37,164.28x = 1,090,090,121.49
  5. Step 5: Solve for x
    x = 1,090,090,121.49/37,164.28
  6. Step 6: Final answer
    x = 29,331.66

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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.