Home / 40,699.45-60,954.40-39,578.41

Finding the Fourth Proportional to 40,699.45, 60,954.40 and 39,578.41

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Solution

The fourth proportional to 40,699.45, 60,954.40 and 39,578.41 is: 59,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,699.45 : 60,954.40 = 39,578.41 : x
  2. Step 2: Convert to fraction form
    40,699.45/60,954.40 = 39,578.41/x
  3. Step 3: Cross multiply
    40,699.45x = 60,954.40 × 39,578.41
  4. Step 4: Simplify right side
    40,699.45x = 2,412,478,234.50
  5. Step 5: Solve for x
    x = 2,412,478,234.50/40,699.45
  6. Step 6: Final answer
    x = 59,275.45

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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.