Home / 39,859.72-59,775.58-11,772.28

Finding the Fourth Proportional to 39,859.72, 59,775.58 and 11,772.28

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Solution

The fourth proportional to 39,859.72, 59,775.58 and 11,772.28 is: 17,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,859.72 : 59,775.58 = 11,772.28 : x
  2. Step 2: Convert to fraction form
    39,859.72/59,775.58 = 11,772.28/x
  3. Step 3: Cross multiply
    39,859.72x = 59,775.58 × 11,772.28
  4. Step 4: Simplify right side
    39,859.72x = 703,694,864.92
  5. Step 5: Solve for x
    x = 703,694,864.92/39,859.72
  6. Step 6: Final answer
    x = 17,654.29

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1.5x scale

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.