Home / 31,576.80-43,575.12-17,428.62

Finding the Fourth Proportional to 31,576.80, 43,575.12 and 17,428.62

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Solution

The fourth proportional to 31,576.80, 43,575.12 and 17,428.62 is: 24,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,576.80 : 43,575.12 = 17,428.62 : x
  2. Step 2: Convert to fraction form
    31,576.80/43,575.12 = 17,428.62/x
  3. Step 3: Cross multiply
    31,576.80x = 43,575.12 × 17,428.62
  4. Step 4: Simplify right side
    31,576.80x = 759,454,207.93
  5. Step 5: Solve for x
    x = 759,454,207.93/31,576.80
  6. Step 6: Final answer
    x = 24,051.02

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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.