Home / 37,424.31-51,645.11-21,507.54

Finding the Fourth Proportional to 37,424.31, 51,645.11 and 21,507.54

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Solution

The fourth proportional to 37,424.31, 51,645.11 and 21,507.54 is: 29,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,424.31 : 51,645.11 = 21,507.54 : x
  2. Step 2: Convert to fraction form
    37,424.31/51,645.11 = 21,507.54/x
  3. Step 3: Cross multiply
    37,424.31x = 51,645.11 × 21,507.54
  4. Step 4: Simplify right side
    37,424.31x = 1,110,759,161.59
  5. Step 5: Solve for x
    x = 1,110,759,161.59/37,424.31
  6. Step 6: Final answer
    x = 29,680.15

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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.