Home / 31,576.88-43,515.81-22,608.81

Finding the Fourth Proportional to 31,576.88, 43,515.81 and 22,608.81

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Solution

The fourth proportional to 31,576.88, 43,515.81 and 22,608.81 is: 31,156.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,576.88 : 43,515.81 = 22,608.81 : x
  2. Step 2: Convert to fraction form
    31,576.88/43,515.81 = 22,608.81/x
  3. Step 3: Cross multiply
    31,576.88x = 43,515.81 × 22,608.81
  4. Step 4: Simplify right side
    31,576.88x = 983,840,680.29
  5. Step 5: Solve for x
    x = 983,840,680.29/31,576.88
  6. Step 6: Final answer
    x = 31,156.99

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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.