Home / 31,335.18-43,244.46-20,706.36

Finding the Fourth Proportional to 31,335.18, 43,244.46 and 20,706.36

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Solution

The fourth proportional to 31,335.18, 43,244.46 and 20,706.36 is: 28,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.18 : 43,244.46 = 20,706.36 : x
  2. Step 2: Convert to fraction form
    31,335.18/43,244.46 = 20,706.36/x
  3. Step 3: Cross multiply
    31,335.18x = 43,244.46 × 20,706.36
  4. Step 4: Simplify right side
    31,335.18x = 895,435,356.77
  5. Step 5: Solve for x
    x = 895,435,356.77/31,335.18
  6. Step 6: Final answer
    x = 28,576.04

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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.