Home / 39,853.25-59,787.75-11,390.45

Finding the Fourth Proportional to 39,853.25, 59,787.75 and 11,390.45

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Solution

The fourth proportional to 39,853.25, 59,787.75 and 11,390.45 is: 17,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.25 : 59,787.75 = 11,390.45 : x
  2. Step 2: Convert to fraction form
    39,853.25/59,787.75 = 11,390.45/x
  3. Step 3: Cross multiply
    39,853.25x = 59,787.75 × 11,390.45
  4. Step 4: Simplify right side
    39,853.25x = 681,009,320.04
  5. Step 5: Solve for x
    x = 681,009,320.04/39,853.25
  6. Step 6: Final answer
    x = 17,087.93

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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.