Home / 31,230.71-43,099.49-17,799.79

Finding the Fourth Proportional to 31,230.71, 43,099.49 and 17,799.79

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Solution

The fourth proportional to 31,230.71, 43,099.49 and 17,799.79 is: 24,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230.71 : 43,099.49 = 17,799.79 : x
  2. Step 2: Convert to fraction form
    31,230.71/43,099.49 = 17,799.79/x
  3. Step 3: Cross multiply
    31,230.71x = 43,099.49 × 17,799.79
  4. Step 4: Simplify right side
    31,230.71x = 767,161,782.11
  5. Step 5: Solve for x
    x = 767,161,782.11/31,230.71
  6. Step 6: Final answer
    x = 24,564.34

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1.5x scale

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.