Home / 63,187.13-87,198.23-40,831.13

Finding the Fourth Proportional to 63,187.13, 87,198.23 and 40,831.13

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Solution

The fourth proportional to 63,187.13, 87,198.23 and 40,831.13 is: 56,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,187.13 : 87,198.23 = 40,831.13 : x
  2. Step 2: Convert to fraction form
    63,187.13/87,198.23 = 40,831.13/x
  3. Step 3: Cross multiply
    63,187.13x = 87,198.23 × 40,831.13
  4. Step 4: Simplify right side
    63,187.13x = 3,560,401,930.99
  5. Step 5: Solve for x
    x = 3,560,401,930.99/63,187.13
  6. Step 6: Final answer
    x = 56,346.95

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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.