Home / 37,438.58-51,664.94-20,442.78

Finding the Fourth Proportional to 37,438.58, 51,664.94 and 20,442.78

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Solution

The fourth proportional to 37,438.58, 51,664.94 and 20,442.78 is: 28,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,438.58 : 51,664.94 = 20,442.78 : x
  2. Step 2: Convert to fraction form
    37,438.58/51,664.94 = 20,442.78/x
  3. Step 3: Cross multiply
    37,438.58x = 51,664.94 × 20,442.78
  4. Step 4: Simplify right side
    37,438.58x = 1,056,175,002.13
  5. Step 5: Solve for x
    x = 1,056,175,002.13/37,438.58
  6. Step 6: Final answer
    x = 28,210.87

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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.