Home / 37,581.31-51,862.95-20,585.55

Finding the Fourth Proportional to 37,581.31, 51,862.95 and 20,585.55

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Solution

The fourth proportional to 37,581.31, 51,862.95 and 20,585.55 is: 28,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,581.31 : 51,862.95 = 20,585.55 : x
  2. Step 2: Convert to fraction form
    37,581.31/51,862.95 = 20,585.55/x
  3. Step 3: Cross multiply
    37,581.31x = 51,862.95 × 20,585.55
  4. Step 4: Simplify right side
    37,581.31x = 1,067,627,350.37
  5. Step 5: Solve for x
    x = 1,067,627,350.37/37,581.31
  6. Step 6: Final answer
    x = 28,408.47

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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.