Home / 31,816.70-43,907.15-17,669.54

Finding the Fourth Proportional to 31,816.70, 43,907.15 and 17,669.54

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Solution

The fourth proportional to 31,816.70, 43,907.15 and 17,669.54 is: 24,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.70 : 43,907.15 = 17,669.54 : x
  2. Step 2: Convert to fraction form
    31,816.70/43,907.15 = 17,669.54/x
  3. Step 3: Cross multiply
    31,816.70x = 43,907.15 × 17,669.54
  4. Step 4: Simplify right side
    31,816.70x = 775,819,197.76
  5. Step 5: Solve for x
    x = 775,819,197.76/31,816.70
  6. Step 6: Final answer
    x = 24,384.03

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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.