Home / 49,831.22-68,609.49-40,430.90

Finding the Fourth Proportional to 49,831.22, 68,609.49 and 40,430.90

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Solution

The fourth proportional to 49,831.22, 68,609.49 and 40,430.90 is: 55,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,831.22 : 68,609.49 = 40,430.90 : x
  2. Step 2: Convert to fraction form
    49,831.22/68,609.49 = 40,430.90/x
  3. Step 3: Cross multiply
    49,831.22x = 68,609.49 × 40,430.90
  4. Step 4: Simplify right side
    49,831.22x = 2,773,943,429.24
  5. Step 5: Solve for x
    x = 2,773,943,429.24/49,831.22
  6. Step 6: Final answer
    x = 55,666.78

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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.