Home / 35,370.87-48,818.74-20,273.65

Finding the Fourth Proportional to 35,370.87, 48,818.74 and 20,273.65

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Solution

The fourth proportional to 35,370.87, 48,818.74 and 20,273.65 is: 27,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,370.87 : 48,818.74 = 20,273.65 : x
  2. Step 2: Convert to fraction form
    35,370.87/48,818.74 = 20,273.65/x
  3. Step 3: Cross multiply
    35,370.87x = 48,818.74 × 20,273.65
  4. Step 4: Simplify right side
    35,370.87x = 989,734,048.20
  5. Step 5: Solve for x
    x = 989,734,048.20/35,370.87
  6. Step 6: Final answer
    x = 27,981.61

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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.