Home / 37,134.12-51,244.38-21,001.22

Finding the Fourth Proportional to 37,134.12, 51,244.38 and 21,001.22

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Solution

The fourth proportional to 37,134.12, 51,244.38 and 21,001.22 is: 28,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,134.12 : 51,244.38 = 21,001.22 : x
  2. Step 2: Convert to fraction form
    37,134.12/51,244.38 = 21,001.22/x
  3. Step 3: Cross multiply
    37,134.12x = 51,244.38 × 21,001.22
  4. Step 4: Simplify right side
    37,134.12x = 1,076,194,241.92
  5. Step 5: Solve for x
    x = 1,076,194,241.92/37,134.12
  6. Step 6: Final answer
    x = 28,981.28

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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.