Home / 37,129.79-51,334.36-28,163.09

Finding the Fourth Proportional to 37,129.79, 51,334.36 and 28,163.09

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Solution

The fourth proportional to 37,129.79, 51,334.36 and 28,163.09 is: 38,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.79 : 51,334.36 = 28,163.09 : x
  2. Step 2: Convert to fraction form
    37,129.79/51,334.36 = 28,163.09/x
  3. Step 3: Cross multiply
    37,129.79x = 51,334.36 × 28,163.09
  4. Step 4: Simplify right side
    37,129.79x = 1,445,734,258.70
  5. Step 5: Solve for x
    x = 1,445,734,258.70/37,129.79
  6. Step 6: Final answer
    x = 38,937.31

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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.