Home / 40,262.04-60,391.44-20,540.16

Finding the Fourth Proportional to 40,262.04, 60,391.44 and 20,540.16

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Solution

The fourth proportional to 40,262.04, 60,391.44 and 20,540.16 is: 30,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,262.04 : 60,391.44 = 20,540.16 : x
  2. Step 2: Convert to fraction form
    40,262.04/60,391.44 = 20,540.16/x
  3. Step 3: Cross multiply
    40,262.04x = 60,391.44 × 20,540.16
  4. Step 4: Simplify right side
    40,262.04x = 1,240,449,840.23
  5. Step 5: Solve for x
    x = 1,240,449,840.23/40,262.04
  6. Step 6: Final answer
    x = 30,809.41

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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.