Home / 35,384.17-48,831.32-20,279.73

Finding the Fourth Proportional to 35,384.17, 48,831.32 and 20,279.73

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Solution

The fourth proportional to 35,384.17, 48,831.32 and 20,279.73 is: 27,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,384.17 : 48,831.32 = 20,279.73 : x
  2. Step 2: Convert to fraction form
    35,384.17/48,831.32 = 20,279.73/x
  3. Step 3: Cross multiply
    35,384.17x = 48,831.32 × 20,279.73
  4. Step 4: Simplify right side
    35,384.17x = 990,285,740.99
  5. Step 5: Solve for x
    x = 990,285,740.99/35,384.17
  6. Step 6: Final answer
    x = 27,986.69

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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.