Home / 40,186.93-55,455.54-22,280.86

Finding the Fourth Proportional to 40,186.93, 55,455.54 and 22,280.86

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Solution

The fourth proportional to 40,186.93, 55,455.54 and 22,280.86 is: 30,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.93 : 55,455.54 = 22,280.86 : x
  2. Step 2: Convert to fraction form
    40,186.93/55,455.54 = 22,280.86/x
  3. Step 3: Cross multiply
    40,186.93x = 55,455.54 × 22,280.86
  4. Step 4: Simplify right side
    40,186.93x = 1,235,597,122.96
  5. Step 5: Solve for x
    x = 1,235,597,122.96/40,186.93
  6. Step 6: Final answer
    x = 30,746.24

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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.