Home / 49,406.13-74,056.05-21,339.39

Finding the Fourth Proportional to 49,406.13, 74,056.05 and 21,339.39

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Solution

The fourth proportional to 49,406.13, 74,056.05 and 21,339.39 is: 31,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,406.13 : 74,056.05 = 21,339.39 : x
  2. Step 2: Convert to fraction form
    49,406.13/74,056.05 = 21,339.39/x
  3. Step 3: Cross multiply
    49,406.13x = 74,056.05 × 21,339.39
  4. Step 4: Simplify right side
    49,406.13x = 1,580,310,932.81
  5. Step 5: Solve for x
    x = 1,580,310,932.81/49,406.13
  6. Step 6: Final answer
    x = 31,986.13

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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.