Home / 39,939.76-59,904.42-11,859.24

Finding the Fourth Proportional to 39,939.76, 59,904.42 and 11,859.24

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Solution

The fourth proportional to 39,939.76, 59,904.42 and 11,859.24 is: 17,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.76 : 59,904.42 = 11,859.24 : x
  2. Step 2: Convert to fraction form
    39,939.76/59,904.42 = 11,859.24/x
  3. Step 3: Cross multiply
    39,939.76x = 59,904.42 × 11,859.24
  4. Step 4: Simplify right side
    39,939.76x = 710,420,893.84
  5. Step 5: Solve for x
    x = 710,420,893.84/39,939.76
  6. Step 6: Final answer
    x = 17,787.31

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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.