Home / 40,874.36-61,334.84-15,911.18

Finding the Fourth Proportional to 40,874.36, 61,334.84 and 15,911.18

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Solution

The fourth proportional to 40,874.36, 61,334.84 and 15,911.18 is: 23,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,874.36 : 61,334.84 = 15,911.18 : x
  2. Step 2: Convert to fraction form
    40,874.36/61,334.84 = 15,911.18/x
  3. Step 3: Cross multiply
    40,874.36x = 61,334.84 × 15,911.18
  4. Step 4: Simplify right side
    40,874.36x = 975,909,293.28
  5. Step 5: Solve for x
    x = 975,909,293.28/40,874.36
  6. Step 6: Final answer
    x = 23,875.83

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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.