Home / 32,631.15-45,031.37-19,882.65

Finding the Fourth Proportional to 32,631.15, 45,031.37 and 19,882.65

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Solution

The fourth proportional to 32,631.15, 45,031.37 and 19,882.65 is: 27,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,631.15 : 45,031.37 = 19,882.65 : x
  2. Step 2: Convert to fraction form
    32,631.15/45,031.37 = 19,882.65/x
  3. Step 3: Cross multiply
    32,631.15x = 45,031.37 × 19,882.65
  4. Step 4: Simplify right side
    32,631.15x = 895,342,968.73
  5. Step 5: Solve for x
    x = 895,342,968.73/32,631.15
  6. Step 6: Final answer
    x = 27,438.29

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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.