Home / 37,132.94-51,242.76-20,999.97

Finding the Fourth Proportional to 37,132.94, 51,242.76 and 20,999.97

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Solution

The fourth proportional to 37,132.94, 51,242.76 and 20,999.97 is: 28,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,132.94 : 51,242.76 = 20,999.97 : x
  2. Step 2: Convert to fraction form
    37,132.94/51,242.76 = 20,999.97/x
  3. Step 3: Cross multiply
    37,132.94x = 51,242.76 × 20,999.97
  4. Step 4: Simplify right side
    37,132.94x = 1,076,096,422.72
  5. Step 5: Solve for x
    x = 1,076,096,422.72/37,132.94
  6. Step 6: Final answer
    x = 28,979.56

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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.