Home / 40,694.15-61,019.27-12,602.13

Finding the Fourth Proportional to 40,694.15, 61,019.27 and 12,602.13

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Solution

The fourth proportional to 40,694.15, 61,019.27 and 12,602.13 is: 18,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694.15 : 61,019.27 = 12,602.13 : x
  2. Step 2: Convert to fraction form
    40,694.15/61,019.27 = 12,602.13/x
  3. Step 3: Cross multiply
    40,694.15x = 61,019.27 × 12,602.13
  4. Step 4: Simplify right side
    40,694.15x = 768,972,942.59
  5. Step 5: Solve for x
    x = 768,972,942.59/40,694.15
  6. Step 6: Final answer
    x = 18,896.40

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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.