Home / 40,960.40-61,325.40-36,813.20

Finding the Fourth Proportional to 40,960.40, 61,325.40 and 36,813.20

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Solution

The fourth proportional to 40,960.40, 61,325.40 and 36,813.20 is: 55,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,960.40 : 61,325.40 = 36,813.20 : x
  2. Step 2: Convert to fraction form
    40,960.40/61,325.40 = 36,813.20/x
  3. Step 3: Cross multiply
    40,960.40x = 61,325.40 × 36,813.20
  4. Step 4: Simplify right side
    40,960.40x = 2,257,584,215.28
  5. Step 5: Solve for x
    x = 2,257,584,215.28/40,960.40
  6. Step 6: Final answer
    x = 55,116.26

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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.