Home / 29,831.52-41,158.38-19,619.64

Finding the Fourth Proportional to 29,831.52, 41,158.38 and 19,619.64

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Solution

The fourth proportional to 29,831.52, 41,158.38 and 19,619.64 is: 27,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,831.52 : 41,158.38 = 19,619.64 : x
  2. Step 2: Convert to fraction form
    29,831.52/41,158.38 = 19,619.64/x
  3. Step 3: Cross multiply
    29,831.52x = 41,158.38 × 19,619.64
  4. Step 4: Simplify right side
    29,831.52x = 807,512,598.58
  5. Step 5: Solve for x
    x = 807,512,598.58/29,831.52
  6. Step 6: Final answer
    x = 27,069.11

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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.