Home / 40,142.94-55,406.46-26,714.76

Finding the Fourth Proportional to 40,142.94, 55,406.46 and 26,714.76

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Solution

The fourth proportional to 40,142.94, 55,406.46 and 26,714.76 is: 36,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,142.94 : 55,406.46 = 26,714.76 : x
  2. Step 2: Convert to fraction form
    40,142.94/55,406.46 = 26,714.76/x
  3. Step 3: Cross multiply
    40,142.94x = 55,406.46 × 26,714.76
  4. Step 4: Simplify right side
    40,142.94x = 1,480,170,281.35
  5. Step 5: Solve for x
    x = 1,480,170,281.35/40,142.94
  6. Step 6: Final answer
    x = 36,872.49

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Half scale
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Double scale
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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.