Home / 37,907.20-52,309.58-20,911.66

Finding the Fourth Proportional to 37,907.20, 52,309.58 and 20,911.66

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Solution

The fourth proportional to 37,907.20, 52,309.58 and 20,911.66 is: 28,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,907.20 : 52,309.58 = 20,911.66 : x
  2. Step 2: Convert to fraction form
    37,907.20/52,309.58 = 20,911.66/x
  3. Step 3: Cross multiply
    37,907.20x = 52,309.58 × 20,911.66
  4. Step 4: Simplify right side
    37,907.20x = 1,093,880,151.70
  5. Step 5: Solve for x
    x = 1,093,880,151.70/37,907.20
  6. Step 6: Final answer
    x = 28,856.79

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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.