Home / 31,850.20-43,953.06-17,703.88

Finding the Fourth Proportional to 31,850.20, 43,953.06 and 17,703.88

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Solution

The fourth proportional to 31,850.20, 43,953.06 and 17,703.88 is: 24,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.20 : 43,953.06 = 17,703.88 : x
  2. Step 2: Convert to fraction form
    31,850.20/43,953.06 = 17,703.88/x
  3. Step 3: Cross multiply
    31,850.20x = 43,953.06 × 17,703.88
  4. Step 4: Simplify right side
    31,850.20x = 778,139,699.87
  5. Step 5: Solve for x
    x = 778,139,699.87/31,850.20
  6. Step 6: Final answer
    x = 24,431.23

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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.