Home / 31,285.64-43,174.24-16,945.62

Finding the Fourth Proportional to 31,285.64, 43,174.24 and 16,945.62

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Solution

The fourth proportional to 31,285.64, 43,174.24 and 16,945.62 is: 23,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.64 : 43,174.24 = 16,945.62 : x
  2. Step 2: Convert to fraction form
    31,285.64/43,174.24 = 16,945.62/x
  3. Step 3: Cross multiply
    31,285.64x = 43,174.24 × 16,945.62
  4. Step 4: Simplify right side
    31,285.64x = 731,614,264.83
  5. Step 5: Solve for x
    x = 731,614,264.83/31,285.64
  6. Step 6: Final answer
    x = 23,384.99

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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.