Home / 49,811.76-74,717.40-21,344.55

Finding the Fourth Proportional to 49,811.76, 74,717.40 and 21,344.55

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Solution

The fourth proportional to 49,811.76, 74,717.40 and 21,344.55 is: 32,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,811.76 : 74,717.40 = 21,344.55 : x
  2. Step 2: Convert to fraction form
    49,811.76/74,717.40 = 21,344.55/x
  3. Step 3: Cross multiply
    49,811.76x = 74,717.40 × 21,344.55
  4. Step 4: Simplify right side
    49,811.76x = 1,594,809,080.02
  5. Step 5: Solve for x
    x = 1,594,809,080.02/49,811.76
  6. Step 6: Final answer
    x = 32,016.72

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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.