Home / 32,398.08-44,712.72-19,831.20

Finding the Fourth Proportional to 32,398.08, 44,712.72 and 19,831.20

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Solution

The fourth proportional to 32,398.08, 44,712.72 and 19,831.20 is: 27,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,398.08 : 44,712.72 = 19,831.20 : x
  2. Step 2: Convert to fraction form
    32,398.08/44,712.72 = 19,831.20/x
  3. Step 3: Cross multiply
    32,398.08x = 44,712.72 × 19,831.20
  4. Step 4: Simplify right side
    32,398.08x = 886,706,892.86
  5. Step 5: Solve for x
    x = 886,706,892.86/32,398.08
  6. Step 6: Final answer
    x = 27,369.12

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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.