Home / 37,230.78-51,378.75-20,235.09

Finding the Fourth Proportional to 37,230.78, 51,378.75 and 20,235.09

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Solution

The fourth proportional to 37,230.78, 51,378.75 and 20,235.09 is: 27,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,230.78 : 51,378.75 = 20,235.09 : x
  2. Step 2: Convert to fraction form
    37,230.78/51,378.75 = 20,235.09/x
  3. Step 3: Cross multiply
    37,230.78x = 51,378.75 × 20,235.09
  4. Step 4: Simplify right side
    37,230.78x = 1,039,653,630.34
  5. Step 5: Solve for x
    x = 1,039,653,630.34/37,230.78
  6. Step 6: Final answer
    x = 27,924.57

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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.