Home / 29,730.16-41,031.82-18,403.30

Finding the Fourth Proportional to 29,730.16, 41,031.82 and 18,403.30

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Solution

The fourth proportional to 29,730.16, 41,031.82 and 18,403.30 is: 25,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,730.16 : 41,031.82 = 18,403.30 : x
  2. Step 2: Convert to fraction form
    29,730.16/41,031.82 = 18,403.30/x
  3. Step 3: Cross multiply
    29,730.16x = 41,031.82 × 18,403.30
  4. Step 4: Simplify right side
    29,730.16x = 755,120,893.01
  5. Step 5: Solve for x
    x = 755,120,893.01/29,730.16
  6. Step 6: Final answer
    x = 25,399.15

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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.