Home / 40,479.47-55,865.68-30,252.74

Finding the Fourth Proportional to 40,479.47, 55,865.68 and 30,252.74

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Solution

The fourth proportional to 40,479.47, 55,865.68 and 30,252.74 is: 41,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479.47 : 55,865.68 = 30,252.74 : x
  2. Step 2: Convert to fraction form
    40,479.47/55,865.68 = 30,252.74/x
  3. Step 3: Cross multiply
    40,479.47x = 55,865.68 × 30,252.74
  4. Step 4: Simplify right side
    40,479.47x = 1,690,089,537.00
  5. Step 5: Solve for x
    x = 1,690,089,537.00/40,479.47
  6. Step 6: Final answer
    x = 41,751.78

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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.