Home / 20,043.16-30,031.90-13,022.92

Finding the Fourth Proportional to 20,043.16, 30,031.90 and 13,022.92

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Solution

The fourth proportional to 20,043.16, 30,031.90 and 13,022.92 is: 19,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.16 : 30,031.90 = 13,022.92 : x
  2. Step 2: Convert to fraction form
    20,043.16/30,031.90 = 13,022.92/x
  3. Step 3: Cross multiply
    20,043.16x = 30,031.90 × 13,022.92
  4. Step 4: Simplify right side
    20,043.16x = 391,103,031.15
  5. Step 5: Solve for x
    x = 391,103,031.15/20,043.16
  6. Step 6: Final answer
    x = 19,513.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.