Home / 39,767.72-59,651.26-9,781.81

Finding the Fourth Proportional to 39,767.72, 59,651.26 and 9,781.81

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Solution

The fourth proportional to 39,767.72, 59,651.26 and 9,781.81 is: 14,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,767.72 : 59,651.26 = 9,781.81 : x
  2. Step 2: Convert to fraction form
    39,767.72/59,651.26 = 9,781.81/x
  3. Step 3: Cross multiply
    39,767.72x = 59,651.26 × 9,781.81
  4. Step 4: Simplify right side
    39,767.72x = 583,497,118.00
  5. Step 5: Solve for x
    x = 583,497,118.00/39,767.72
  6. Step 6: Final answer
    x = 14,672.63

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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.