Home / 39,954.84-59,913.60-11,864.56

Finding the Fourth Proportional to 39,954.84, 59,913.60 and 11,864.56

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Solution

The fourth proportional to 39,954.84, 59,913.60 and 11,864.56 is: 17,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.84 : 59,913.60 = 11,864.56 : x
  2. Step 2: Convert to fraction form
    39,954.84/59,913.60 = 11,864.56/x
  3. Step 3: Cross multiply
    39,954.84x = 59,913.60 × 11,864.56
  4. Step 4: Simplify right side
    39,954.84x = 710,848,502.02
  5. Step 5: Solve for x
    x = 710,848,502.02/39,954.84
  6. Step 6: Final answer
    x = 17,791.30

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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.