Home / 40,821.45-56,336.13-27,186.12

Finding the Fourth Proportional to 40,821.45, 56,336.13 and 27,186.12

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Solution

The fourth proportional to 40,821.45, 56,336.13 and 27,186.12 is: 37,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.45 : 56,336.13 = 27,186.12 : x
  2. Step 2: Convert to fraction form
    40,821.45/56,336.13 = 27,186.12/x
  3. Step 3: Cross multiply
    40,821.45x = 56,336.13 × 27,186.12
  4. Step 4: Simplify right side
    40,821.45x = 1,531,560,372.90
  5. Step 5: Solve for x
    x = 1,531,560,372.90/40,821.45
  6. Step 6: Final answer
    x = 37,518.52

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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.