Home / 40,930.13-56,474.22-23,018.60

Finding the Fourth Proportional to 40,930.13, 56,474.22 and 23,018.60

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Solution

The fourth proportional to 40,930.13, 56,474.22 and 23,018.60 is: 31,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,930.13 : 56,474.22 = 23,018.60 : x
  2. Step 2: Convert to fraction form
    40,930.13/56,474.22 = 23,018.60/x
  3. Step 3: Cross multiply
    40,930.13x = 56,474.22 × 23,018.60
  4. Step 4: Simplify right side
    40,930.13x = 1,299,957,198.12
  5. Step 5: Solve for x
    x = 1,299,957,198.12/40,930.13
  6. Step 6: Final answer
    x = 31,760.40

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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.