Home / 37,406.16-51,639.57-28,889.15

Finding the Fourth Proportional to 37,406.16, 51,639.57 and 28,889.15

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Solution

The fourth proportional to 37,406.16, 51,639.57 and 28,889.15 is: 39,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,406.16 : 51,639.57 = 28,889.15 : x
  2. Step 2: Convert to fraction form
    37,406.16/51,639.57 = 28,889.15/x
  3. Step 3: Cross multiply
    37,406.16x = 51,639.57 × 28,889.15
  4. Step 4: Simplify right side
    37,406.16x = 1,491,823,025.47
  5. Step 5: Solve for x
    x = 1,491,823,025.47/37,406.16
  6. Step 6: Final answer
    x = 39,881.75

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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.