Home / 37,449.90-51,681.27-20,454.64

Finding the Fourth Proportional to 37,449.90, 51,681.27 and 20,454.64

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Solution

The fourth proportional to 37,449.90, 51,681.27 and 20,454.64 is: 28,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,449.90 : 51,681.27 = 20,454.64 : x
  2. Step 2: Convert to fraction form
    37,449.90/51,681.27 = 20,454.64/x
  3. Step 3: Cross multiply
    37,449.90x = 51,681.27 × 20,454.64
  4. Step 4: Simplify right side
    37,449.90x = 1,057,121,772.59
  5. Step 5: Solve for x
    x = 1,057,121,772.59/37,449.90
  6. Step 6: Final answer
    x = 28,227.63

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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.