Home / 40,910.16-61,366.01-12,829.60

Finding the Fourth Proportional to 40,910.16, 61,366.01 and 12,829.60

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Solution

The fourth proportional to 40,910.16, 61,366.01 and 12,829.60 is: 19,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910.16 : 61,366.01 = 12,829.60 : x
  2. Step 2: Convert to fraction form
    40,910.16/61,366.01 = 12,829.60/x
  3. Step 3: Cross multiply
    40,910.16x = 61,366.01 × 12,829.60
  4. Step 4: Simplify right side
    40,910.16x = 787,301,361.90
  5. Step 5: Solve for x
    x = 787,301,361.90/40,910.16
  6. Step 6: Final answer
    x = 19,244.64

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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.