Home / 40,194.81-55,470.12-22,291.47

Finding the Fourth Proportional to 40,194.81, 55,470.12 and 22,291.47

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Solution

The fourth proportional to 40,194.81, 55,470.12 and 22,291.47 is: 30,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,194.81 : 55,470.12 = 22,291.47 : x
  2. Step 2: Convert to fraction form
    40,194.81/55,470.12 = 22,291.47/x
  3. Step 3: Cross multiply
    40,194.81x = 55,470.12 × 22,291.47
  4. Step 4: Simplify right side
    40,194.81x = 1,236,510,515.88
  5. Step 5: Solve for x
    x = 1,236,510,515.88/40,194.81
  6. Step 6: Final answer
    x = 30,762.94

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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.