Home / 40,259.69-60,396.48-13,605.89

Finding the Fourth Proportional to 40,259.69, 60,396.48 and 13,605.89

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Solution

The fourth proportional to 40,259.69, 60,396.48 and 13,605.89 is: 20,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,259.69 : 60,396.48 = 13,605.89 : x
  2. Step 2: Convert to fraction form
    40,259.69/60,396.48 = 13,605.89/x
  3. Step 3: Cross multiply
    40,259.69x = 60,396.48 × 13,605.89
  4. Step 4: Simplify right side
    40,259.69x = 821,747,863.27
  5. Step 5: Solve for x
    x = 821,747,863.27/40,259.69
  6. Step 6: Final answer
    x = 20,411.18

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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.