Home / 37,573.45-51,851.37-20,578.76

Finding the Fourth Proportional to 37,573.45, 51,851.37 and 20,578.76

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Solution

The fourth proportional to 37,573.45, 51,851.37 and 20,578.76 is: 28,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,573.45 : 51,851.37 = 20,578.76 : x
  2. Step 2: Convert to fraction form
    37,573.45/51,851.37 = 20,578.76/x
  3. Step 3: Cross multiply
    37,573.45x = 51,851.37 × 20,578.76
  4. Step 4: Simplify right side
    37,573.45x = 1,067,036,911.26
  5. Step 5: Solve for x
    x = 1,067,036,911.26/37,573.45
  6. Step 6: Final answer
    x = 28,398.70

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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.