Home / 31,817.08-43,889.88-29,564.47

Finding the Fourth Proportional to 31,817.08, 43,889.88 and 29,564.47

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Solution

The fourth proportional to 31,817.08, 43,889.88 and 29,564.47 is: 40,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,817.08 : 43,889.88 = 29,564.47 : x
  2. Step 2: Convert to fraction form
    31,817.08/43,889.88 = 29,564.47/x
  3. Step 3: Cross multiply
    31,817.08x = 43,889.88 × 29,564.47
  4. Step 4: Simplify right side
    31,817.08x = 1,297,581,040.56
  5. Step 5: Solve for x
    x = 1,297,581,040.56/31,817.08
  6. Step 6: Final answer
    x = 40,782.53

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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.