Home / 40,520.14-55,923.08-22,618.86

Finding the Fourth Proportional to 40,520.14, 55,923.08 and 22,618.86

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Solution

The fourth proportional to 40,520.14, 55,923.08 and 22,618.86 is: 31,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,520.14 : 55,923.08 = 22,618.86 : x
  2. Step 2: Convert to fraction form
    40,520.14/55,923.08 = 22,618.86/x
  3. Step 3: Cross multiply
    40,520.14x = 55,923.08 × 22,618.86
  4. Step 4: Simplify right side
    40,520.14x = 1,264,916,499.90
  5. Step 5: Solve for x
    x = 1,264,916,499.90/40,520.14
  6. Step 6: Final answer
    x = 31,216.98

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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.