Home / 37,982.66-52,415.86-20,986.91

Finding the Fourth Proportional to 37,982.66, 52,415.86 and 20,986.91

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Solution

The fourth proportional to 37,982.66, 52,415.86 and 20,986.91 is: 28,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,982.66 : 52,415.86 = 20,986.91 : x
  2. Step 2: Convert to fraction form
    37,982.66/52,415.86 = 20,986.91/x
  3. Step 3: Cross multiply
    37,982.66x = 52,415.86 × 20,986.91
  4. Step 4: Simplify right side
    37,982.66x = 1,100,047,014.96
  5. Step 5: Solve for x
    x = 1,100,047,014.96/37,982.66
  6. Step 6: Final answer
    x = 28,961.82

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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.