Home / 40,119.74-55,470.93-35,137.47

Finding the Fourth Proportional to 40,119.74, 55,470.93 and 35,137.47

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Solution

The fourth proportional to 40,119.74, 55,470.93 and 35,137.47 is: 48,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.74 : 55,470.93 = 35,137.47 : x
  2. Step 2: Convert to fraction form
    40,119.74/55,470.93 = 35,137.47/x
  3. Step 3: Cross multiply
    40,119.74x = 55,470.93 × 35,137.47
  4. Step 4: Simplify right side
    40,119.74x = 1,949,108,138.75
  5. Step 5: Solve for x
    x = 1,949,108,138.75/40,119.74
  6. Step 6: Final answer
    x = 48,582.27

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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.