Home / 41,985.10-62,976.30-13,906.45

Finding the Fourth Proportional to 41,985.10, 62,976.30 and 13,906.45

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Solution

The fourth proportional to 41,985.10, 62,976.30 and 13,906.45 is: 20,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,985.10 : 62,976.30 = 13,906.45 : x
  2. Step 2: Convert to fraction form
    41,985.10/62,976.30 = 13,906.45/x
  3. Step 3: Cross multiply
    41,985.10x = 62,976.30 × 13,906.45
  4. Step 4: Simplify right side
    41,985.10x = 875,776,767.14
  5. Step 5: Solve for x
    x = 875,776,767.14/41,985.10
  6. Step 6: Final answer
    x = 20,859.23

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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.