Home / 37,432.72-51,655.80-20,665.36

Finding the Fourth Proportional to 37,432.72, 51,655.80 and 20,665.36

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Solution

The fourth proportional to 37,432.72, 51,655.80 and 20,665.36 is: 28,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,432.72 : 51,655.80 = 20,665.36 : x
  2. Step 2: Convert to fraction form
    37,432.72/51,655.80 = 20,665.36/x
  3. Step 3: Cross multiply
    37,432.72x = 51,655.80 × 20,665.36
  4. Step 4: Simplify right side
    37,432.72x = 1,067,485,703.09
  5. Step 5: Solve for x
    x = 1,067,485,703.09/37,432.72
  6. Step 6: Final answer
    x = 28,517.45

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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.