Home / 49,447.19-74,172.83-14,386.84

Finding the Fourth Proportional to 49,447.19, 74,172.83 and 14,386.84

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Solution

The fourth proportional to 49,447.19, 74,172.83 and 14,386.84 is: 21,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,447.19 : 74,172.83 = 14,386.84 : x
  2. Step 2: Convert to fraction form
    49,447.19/74,172.83 = 14,386.84/x
  3. Step 3: Cross multiply
    49,447.19x = 74,172.83 × 14,386.84
  4. Step 4: Simplify right side
    49,447.19x = 1,067,112,565.62
  5. Step 5: Solve for x
    x = 1,067,112,565.62/49,447.19
  6. Step 6: Final answer
    x = 21,580.86

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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.