Home / 40,145.94-55,407.27-23,146.86

Finding the Fourth Proportional to 40,145.94, 55,407.27 and 23,146.86

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Solution

The fourth proportional to 40,145.94, 55,407.27 and 23,146.86 is: 31,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145.94 : 55,407.27 = 23,146.86 : x
  2. Step 2: Convert to fraction form
    40,145.94/55,407.27 = 23,146.86/x
  3. Step 3: Cross multiply
    40,145.94x = 55,407.27 × 23,146.86
  4. Step 4: Simplify right side
    40,145.94x = 1,282,504,321.67
  5. Step 5: Solve for x
    x = 1,282,504,321.67/40,145.94
  6. Step 6: Final answer
    x = 31,946.05

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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.