Home / 40,453.76-60,670.92-20,722.16

Finding the Fourth Proportional to 40,453.76, 60,670.92 and 20,722.16

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Solution

The fourth proportional to 40,453.76, 60,670.92 and 20,722.16 is: 31,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,453.76 : 60,670.92 = 20,722.16 : x
  2. Step 2: Convert to fraction form
    40,453.76/60,670.92 = 20,722.16/x
  3. Step 3: Cross multiply
    40,453.76x = 60,670.92 × 20,722.16
  4. Step 4: Simplify right side
    40,453.76x = 1,257,232,740.97
  5. Step 5: Solve for x
    x = 1,257,232,740.97/40,453.76
  6. Step 6: Final answer
    x = 31,078.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.