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Finding the Fourth Proportional to 19,885.08, 29,831.94 and 6,035.16

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Solution

The fourth proportional to 19,885.08, 29,831.94 and 6,035.16 is: 9,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.08 : 29,831.94 = 6,035.16 : x
  2. Step 2: Convert to fraction form
    19,885.08/29,831.94 = 6,035.16/x
  3. Step 3: Cross multiply
    19,885.08x = 29,831.94 × 6,035.16
  4. Step 4: Simplify right side
    19,885.08x = 180,040,531.01
  5. Step 5: Solve for x
    x = 180,040,531.01/19,885.08
  6. Step 6: Final answer
    x = 9,054.05

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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.