Home / 37,207.78-51,347.67-20,212.03

Finding the Fourth Proportional to 37,207.78, 51,347.67 and 20,212.03

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Solution

The fourth proportional to 37,207.78, 51,347.67 and 20,212.03 is: 27,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,207.78 : 51,347.67 = 20,212.03 : x
  2. Step 2: Convert to fraction form
    37,207.78/51,347.67 = 20,212.03/x
  3. Step 3: Cross multiply
    37,207.78x = 51,347.67 × 20,212.03
  4. Step 4: Simplify right side
    37,207.78x = 1,037,840,346.03
  5. Step 5: Solve for x
    x = 1,037,840,346.03/37,207.78
  6. Step 6: Final answer
    x = 27,893.10

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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.