Home / 37,428.64-51,651.40-20,661.52

Finding the Fourth Proportional to 37,428.64, 51,651.40 and 20,661.52

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Solution

The fourth proportional to 37,428.64, 51,651.40 and 20,661.52 is: 28,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.64 : 51,651.40 = 20,661.52 : x
  2. Step 2: Convert to fraction form
    37,428.64/51,651.40 = 20,661.52/x
  3. Step 3: Cross multiply
    37,428.64x = 51,651.40 × 20,661.52
  4. Step 4: Simplify right side
    37,428.64x = 1,067,196,434.13
  5. Step 5: Solve for x
    x = 1,067,196,434.13/37,428.64
  6. Step 6: Final answer
    x = 28,512.83

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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.