Home / 37,449.81-51,681.14-20,454.54

Finding the Fourth Proportional to 37,449.81, 51,681.14 and 20,454.54

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Solution

The fourth proportional to 37,449.81, 51,681.14 and 20,454.54 is: 28,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,449.81 : 51,681.14 = 20,454.54 : x
  2. Step 2: Convert to fraction form
    37,449.81/51,681.14 = 20,454.54/x
  3. Step 3: Cross multiply
    37,449.81x = 51,681.14 × 20,454.54
  4. Step 4: Simplify right side
    37,449.81x = 1,057,113,843.10
  5. Step 5: Solve for x
    x = 1,057,113,843.10/37,449.81
  6. Step 6: Final answer
    x = 28,227.48

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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.