Home / 39,958.48-59,947.59-11,878.42

Finding the Fourth Proportional to 39,958.48, 59,947.59 and 11,878.42

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Solution

The fourth proportional to 39,958.48, 59,947.59 and 11,878.42 is: 17,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.48 : 59,947.59 = 11,878.42 : x
  2. Step 2: Convert to fraction form
    39,958.48/59,947.59 = 11,878.42/x
  3. Step 3: Cross multiply
    39,958.48x = 59,947.59 × 11,878.42
  4. Step 4: Simplify right side
    39,958.48x = 712,082,448.77
  5. Step 5: Solve for x
    x = 712,082,448.77/39,958.48
  6. Step 6: Final answer
    x = 17,820.56

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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.