Home / 39,987.85-59,855.99-27,434.47

Finding the Fourth Proportional to 39,987.85, 59,855.99 and 27,434.47

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Solution

The fourth proportional to 39,987.85, 59,855.99 and 27,434.47 is: 41,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.85 : 59,855.99 = 27,434.47 : x
  2. Step 2: Convert to fraction form
    39,987.85/59,855.99 = 27,434.47/x
  3. Step 3: Cross multiply
    39,987.85x = 59,855.99 × 27,434.47
  4. Step 4: Simplify right side
    39,987.85x = 1,642,117,361.98
  5. Step 5: Solve for x
    x = 1,642,117,361.98/39,987.85
  6. Step 6: Final answer
    x = 41,065.41

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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.