Home / 37,116.15-51,220.34-20,120.49

Finding the Fourth Proportional to 37,116.15, 51,220.34 and 20,120.49

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Solution

The fourth proportional to 37,116.15, 51,220.34 and 20,120.49 is: 27,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,116.15 : 51,220.34 = 20,120.49 : x
  2. Step 2: Convert to fraction form
    37,116.15/51,220.34 = 20,120.49/x
  3. Step 3: Cross multiply
    37,116.15x = 51,220.34 × 20,120.49
  4. Step 4: Simplify right side
    37,116.15x = 1,030,578,238.16
  5. Step 5: Solve for x
    x = 1,030,578,238.16/37,116.15
  6. Step 6: Final answer
    x = 27,766.30

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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.