Home / 40,112.86-55,365.05-26,684.68

Finding the Fourth Proportional to 40,112.86, 55,365.05 and 26,684.68

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Solution

The fourth proportional to 40,112.86, 55,365.05 and 26,684.68 is: 36,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.86 : 55,365.05 = 26,684.68 : x
  2. Step 2: Convert to fraction form
    40,112.86/55,365.05 = 26,684.68/x
  3. Step 3: Cross multiply
    40,112.86x = 55,365.05 × 26,684.68
  4. Step 4: Simplify right side
    40,112.86x = 1,477,398,642.43
  5. Step 5: Solve for x
    x = 1,477,398,642.43/40,112.86
  6. Step 6: Final answer
    x = 36,831.05

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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.