Home / 39,767.67-59,639.63-13,108.68

Finding the Fourth Proportional to 39,767.67, 59,639.63 and 13,108.68

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Solution

The fourth proportional to 39,767.67, 59,639.63 and 13,108.68 is: 19,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,767.67 : 59,639.63 = 13,108.68 : x
  2. Step 2: Convert to fraction form
    39,767.67/59,639.63 = 13,108.68/x
  3. Step 3: Cross multiply
    39,767.67x = 59,639.63 × 13,108.68
  4. Step 4: Simplify right side
    39,767.67x = 781,796,759.45
  5. Step 5: Solve for x
    x = 781,796,759.45/39,767.67
  6. Step 6: Final answer
    x = 19,659.10

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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.