Home / 37,438.72-51,664.08-20,671.36

Finding the Fourth Proportional to 37,438.72, 51,664.08 and 20,671.36

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Solution

The fourth proportional to 37,438.72, 51,664.08 and 20,671.36 is: 28,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,438.72 : 51,664.08 = 20,671.36 : x
  2. Step 2: Convert to fraction form
    37,438.72/51,664.08 = 20,671.36/x
  3. Step 3: Cross multiply
    37,438.72x = 51,664.08 × 20,671.36
  4. Step 4: Simplify right side
    37,438.72x = 1,067,966,796.75
  5. Step 5: Solve for x
    x = 1,067,966,796.75/37,438.72
  6. Step 6: Final answer
    x = 28,525.73

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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.