Home / 31,803.87-43,887.61-17,655.80

Finding the Fourth Proportional to 31,803.87, 43,887.61 and 17,655.80

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Solution

The fourth proportional to 31,803.87, 43,887.61 and 17,655.80 is: 24,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,803.87 : 43,887.61 = 17,655.80 : x
  2. Step 2: Convert to fraction form
    31,803.87/43,887.61 = 17,655.80/x
  3. Step 3: Cross multiply
    31,803.87x = 43,887.61 × 17,655.80
  4. Step 4: Simplify right side
    31,803.87x = 774,870,864.64
  5. Step 5: Solve for x
    x = 774,870,864.64/31,803.87
  6. Step 6: Final answer
    x = 24,364.04

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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.