Home / 37,132.82-51,242.59-20,999.85

Finding the Fourth Proportional to 37,132.82, 51,242.59 and 20,999.85

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Solution

The fourth proportional to 37,132.82, 51,242.59 and 20,999.85 is: 28,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,132.82 : 51,242.59 = 20,999.85 : x
  2. Step 2: Convert to fraction form
    37,132.82/51,242.59 = 20,999.85/x
  3. Step 3: Cross multiply
    37,132.82x = 51,242.59 × 20,999.85
  4. Step 4: Simplify right side
    37,132.82x = 1,076,086,703.61
  5. Step 5: Solve for x
    x = 1,076,086,703.61/37,132.82
  6. Step 6: Final answer
    x = 28,979.40

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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.