Home / 45,831.20-68,753.92-19,536

Finding the Fourth Proportional to 45,831.20, 68,753.92 and 19,536

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Solution

The fourth proportional to 45,831.20, 68,753.92 and 19,536 is: 29,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,831.20 : 68,753.92 = 19,536 : x
  2. Step 2: Convert to fraction form
    45,831.20/68,753.92 = 19,536/x
  3. Step 3: Cross multiply
    45,831.20x = 68,753.92 × 19,536
  4. Step 4: Simplify right side
    45,831.20x = 1,343,176,581.12
  5. Step 5: Solve for x
    x = 1,343,176,581.12/45,831.20
  6. Step 6: Final answer
    x = 29,307.03

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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.