Home / 31,849.34-43,953.23-18,239.87

Finding the Fourth Proportional to 31,849.34, 43,953.23 and 18,239.87

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Solution

The fourth proportional to 31,849.34, 43,953.23 and 18,239.87 is: 25,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.34 : 43,953.23 = 18,239.87 : x
  2. Step 2: Convert to fraction form
    31,849.34/43,953.23 = 18,239.87/x
  3. Step 3: Cross multiply
    31,849.34x = 43,953.23 × 18,239.87
  4. Step 4: Simplify right side
    31,849.34x = 801,701,356.76
  5. Step 5: Solve for x
    x = 801,701,356.76/31,849.34
  6. Step 6: Final answer
    x = 25,171.68

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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.