Home / 40,838.56-61,175.80-18,621.37

Finding the Fourth Proportional to 40,838.56, 61,175.80 and 18,621.37

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Solution

The fourth proportional to 40,838.56, 61,175.80 and 18,621.37 is: 27,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,838.56 : 61,175.80 = 18,621.37 : x
  2. Step 2: Convert to fraction form
    40,838.56/61,175.80 = 18,621.37/x
  3. Step 3: Cross multiply
    40,838.56x = 61,175.80 × 18,621.37
  4. Step 4: Simplify right side
    40,838.56x = 1,139,177,206.85
  5. Step 5: Solve for x
    x = 1,139,177,206.85/40,838.56
  6. Step 6: Final answer
    x = 27,894.65

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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.