Home / 36,530.14-54,801.27-12,831.55

Finding the Fourth Proportional to 36,530.14, 54,801.27 and 12,831.55

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Solution

The fourth proportional to 36,530.14, 54,801.27 and 12,831.55 is: 19,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,530.14 : 54,801.27 = 12,831.55 : x
  2. Step 2: Convert to fraction form
    36,530.14/54,801.27 = 12,831.55/x
  3. Step 3: Cross multiply
    36,530.14x = 54,801.27 × 12,831.55
  4. Step 4: Simplify right side
    36,530.14x = 703,185,236.07
  5. Step 5: Solve for x
    x = 703,185,236.07/36,530.14
  6. Step 6: Final answer
    x = 19,249.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.