Home / 37,905.80-52,309.55-20,910.75

Finding the Fourth Proportional to 37,905.80, 52,309.55 and 20,910.75

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Solution

The fourth proportional to 37,905.80, 52,309.55 and 20,910.75 is: 28,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,905.80 : 52,309.55 = 20,910.75 : x
  2. Step 2: Convert to fraction form
    37,905.80/52,309.55 = 20,910.75/x
  3. Step 3: Cross multiply
    37,905.80x = 52,309.55 × 20,910.75
  4. Step 4: Simplify right side
    37,905.80x = 1,093,831,818.11
  5. Step 5: Solve for x
    x = 1,093,831,818.11/37,905.80
  6. Step 6: Final answer
    x = 28,856.59

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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.