Home / 31,328.28-43,234.28-17,181.64

Finding the Fourth Proportional to 31,328.28, 43,234.28 and 17,181.64

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Solution

The fourth proportional to 31,328.28, 43,234.28 and 17,181.64 is: 23,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328.28 : 43,234.28 = 17,181.64 : x
  2. Step 2: Convert to fraction form
    31,328.28/43,234.28 = 17,181.64/x
  3. Step 3: Cross multiply
    31,328.28x = 43,234.28 × 17,181.64
  4. Step 4: Simplify right side
    31,328.28x = 742,835,834.62
  5. Step 5: Solve for x
    x = 742,835,834.62/31,328.28
  6. Step 6: Final answer
    x = 23,711.35

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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.