Home / 31,240.72-43,113.26-17,813.96

Finding the Fourth Proportional to 31,240.72, 43,113.26 and 17,813.96

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Solution

The fourth proportional to 31,240.72, 43,113.26 and 17,813.96 is: 24,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,240.72 : 43,113.26 = 17,813.96 : x
  2. Step 2: Convert to fraction form
    31,240.72/43,113.26 = 17,813.96/x
  3. Step 3: Cross multiply
    31,240.72x = 43,113.26 × 17,813.96
  4. Step 4: Simplify right side
    31,240.72x = 768,017,889.11
  5. Step 5: Solve for x
    x = 768,017,889.11/31,240.72
  6. Step 6: Final answer
    x = 24,583.87

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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.