Home / 55,372.41-76,405.65-31,169.84

Finding the Fourth Proportional to 55,372.41, 76,405.65 and 31,169.84

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Solution

The fourth proportional to 55,372.41, 76,405.65 and 31,169.84 is: 43,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,372.41 : 76,405.65 = 31,169.84 : x
  2. Step 2: Convert to fraction form
    55,372.41/76,405.65 = 31,169.84/x
  3. Step 3: Cross multiply
    55,372.41x = 76,405.65 × 31,169.84
  4. Step 4: Simplify right side
    55,372.41x = 2,381,551,864.57
  5. Step 5: Solve for x
    x = 2,381,551,864.57/55,372.41
  6. Step 6: Final answer
    x = 43,009.72

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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.