Home / 39,955.87-55,159.83-29,188.66

Finding the Fourth Proportional to 39,955.87, 55,159.83 and 29,188.66

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Solution

The fourth proportional to 39,955.87, 55,159.83 and 29,188.66 is: 40,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.87 : 55,159.83 = 29,188.66 : x
  2. Step 2: Convert to fraction form
    39,955.87/55,159.83 = 29,188.66/x
  3. Step 3: Cross multiply
    39,955.87x = 55,159.83 × 29,188.66
  4. Step 4: Simplify right side
    39,955.87x = 1,610,041,247.73
  5. Step 5: Solve for x
    x = 1,610,041,247.73/39,955.87
  6. Step 6: Final answer
    x = 40,295.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.