Home / 31,329.63-43,234.91-17,182.53

Finding the Fourth Proportional to 31,329.63, 43,234.91 and 17,182.53

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Solution

The fourth proportional to 31,329.63, 43,234.91 and 17,182.53 is: 23,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.63 : 43,234.91 = 17,182.53 : x
  2. Step 2: Convert to fraction form
    31,329.63/43,234.91 = 17,182.53/x
  3. Step 3: Cross multiply
    31,329.63x = 43,234.91 × 17,182.53
  4. Step 4: Simplify right side
    31,329.63x = 742,885,138.12
  5. Step 5: Solve for x
    x = 742,885,138.12/31,329.63
  6. Step 6: Final answer
    x = 23,711.90

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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.