Home / 40,489.55-55,864.37-26,149.99

Finding the Fourth Proportional to 40,489.55, 55,864.37 and 26,149.99

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Solution

The fourth proportional to 40,489.55, 55,864.37 and 26,149.99 is: 36,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,489.55 : 55,864.37 = 26,149.99 : x
  2. Step 2: Convert to fraction form
    40,489.55/55,864.37 = 26,149.99/x
  3. Step 3: Cross multiply
    40,489.55x = 55,864.37 × 26,149.99
  4. Step 4: Simplify right side
    40,489.55x = 1,460,852,716.86
  5. Step 5: Solve for x
    x = 1,460,852,716.86/40,489.55
  6. Step 6: Final answer
    x = 36,079.75

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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.