Home / 40,617.75-60,904.00-12,529.84

Finding the Fourth Proportional to 40,617.75, 60,904.00 and 12,529.84

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Solution

The fourth proportional to 40,617.75, 60,904.00 and 12,529.84 is: 18,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,617.75 : 60,904.00 = 12,529.84 : x
  2. Step 2: Convert to fraction form
    40,617.75/60,904.00 = 12,529.84/x
  3. Step 3: Cross multiply
    40,617.75x = 60,904.00 × 12,529.84
  4. Step 4: Simplify right side
    40,617.75x = 763,117,352.96
  5. Step 5: Solve for x
    x = 763,117,352.96/40,617.75
  6. Step 6: Final answer
    x = 18,787.78

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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.