Home / 49,791.81-74,685.42-14,253.06

Finding the Fourth Proportional to 49,791.81, 74,685.42 and 14,253.06

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Solution

The fourth proportional to 49,791.81, 74,685.42 and 14,253.06 is: 21,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,791.81 : 74,685.42 = 14,253.06 : x
  2. Step 2: Convert to fraction form
    49,791.81/74,685.42 = 14,253.06/x
  3. Step 3: Cross multiply
    49,791.81x = 74,685.42 × 14,253.06
  4. Step 4: Simplify right side
    49,791.81x = 1,064,495,772.39
  5. Step 5: Solve for x
    x = 1,064,495,772.39/49,791.81
  6. Step 6: Final answer
    x = 21,378.93

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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.