Home / 37,662.72-51,966.18-21,743.70

Finding the Fourth Proportional to 37,662.72, 51,966.18 and 21,743.70

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Solution

The fourth proportional to 37,662.72, 51,966.18 and 21,743.70 is: 30,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,662.72 : 51,966.18 = 21,743.70 : x
  2. Step 2: Convert to fraction form
    37,662.72/51,966.18 = 21,743.70/x
  3. Step 3: Cross multiply
    37,662.72x = 51,966.18 × 21,743.70
  4. Step 4: Simplify right side
    37,662.72x = 1,129,937,028.07
  5. Step 5: Solve for x
    x = 1,129,937,028.07/37,662.72
  6. Step 6: Final answer
    x = 30,001.47

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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.