Home / 37,158.16-51,280.78-21,025.46

Finding the Fourth Proportional to 37,158.16, 51,280.78 and 21,025.46

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Solution

The fourth proportional to 37,158.16, 51,280.78 and 21,025.46 is: 29,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,158.16 : 51,280.78 = 21,025.46 : x
  2. Step 2: Convert to fraction form
    37,158.16/51,280.78 = 21,025.46/x
  3. Step 3: Cross multiply
    37,158.16x = 51,280.78 × 21,025.46
  4. Step 4: Simplify right side
    37,158.16x = 1,078,201,815.27
  5. Step 5: Solve for x
    x = 1,078,201,815.27/37,158.16
  6. Step 6: Final answer
    x = 29,016.56

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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.