Home / 31,329.02-43,234.08-17,182.20

Finding the Fourth Proportional to 31,329.02, 43,234.08 and 17,182.20

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Solution

The fourth proportional to 31,329.02, 43,234.08 and 17,182.20 is: 23,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.02 : 43,234.08 = 17,182.20 : x
  2. Step 2: Convert to fraction form
    31,329.02/43,234.08 = 17,182.20/x
  3. Step 3: Cross multiply
    31,329.02x = 43,234.08 × 17,182.20
  4. Step 4: Simplify right side
    31,329.02x = 742,856,609.38
  5. Step 5: Solve for x
    x = 742,856,609.38/31,329.02
  6. Step 6: Final answer
    x = 23,711.45

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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.