Home / 40,199.69-60,308.72-13,904.41

Finding the Fourth Proportional to 40,199.69, 60,308.72 and 13,904.41

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Solution

The fourth proportional to 40,199.69, 60,308.72 and 13,904.41 is: 20,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.69 : 60,308.72 = 13,904.41 : x
  2. Step 2: Convert to fraction form
    40,199.69/60,308.72 = 13,904.41/x
  3. Step 3: Cross multiply
    40,199.69x = 60,308.72 × 13,904.41
  4. Step 4: Simplify right side
    40,199.69x = 838,556,798.39
  5. Step 5: Solve for x
    x = 838,556,798.39/40,199.69
  6. Step 6: Final answer
    x = 20,859.79

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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.