Home / 37,642.12-51,944.82-20,876.68

Finding the Fourth Proportional to 37,642.12, 51,944.82 and 20,876.68

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Solution

The fourth proportional to 37,642.12, 51,944.82 and 20,876.68 is: 28,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,642.12 : 51,944.82 = 20,876.68 : x
  2. Step 2: Convert to fraction form
    37,642.12/51,944.82 = 20,876.68/x
  3. Step 3: Cross multiply
    37,642.12x = 51,944.82 × 20,876.68
  4. Step 4: Simplify right side
    37,642.12x = 1,084,435,384.80
  5. Step 5: Solve for x
    x = 1,084,435,384.80/37,642.12
  6. Step 6: Final answer
    x = 28,809.09

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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.