Home / 51,831.15-71,524.02-29,171.08

Finding the Fourth Proportional to 51,831.15, 71,524.02 and 29,171.08

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Solution

The fourth proportional to 51,831.15, 71,524.02 and 29,171.08 is: 40,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.15 : 71,524.02 = 29,171.08 : x
  2. Step 2: Convert to fraction form
    51,831.15/71,524.02 = 29,171.08/x
  3. Step 3: Cross multiply
    51,831.15x = 71,524.02 × 29,171.08
  4. Step 4: Simplify right side
    51,831.15x = 2,086,432,909.34
  5. Step 5: Solve for x
    x = 2,086,432,909.34/51,831.15
  6. Step 6: Final answer
    x = 40,254.42

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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.