Home / 40,676.84-56,131.40-22,771.69

Finding the Fourth Proportional to 40,676.84, 56,131.40 and 22,771.69

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Solution

The fourth proportional to 40,676.84, 56,131.40 and 22,771.69 is: 31,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,676.84 : 56,131.40 = 22,771.69 : x
  2. Step 2: Convert to fraction form
    40,676.84/56,131.40 = 22,771.69/x
  3. Step 3: Cross multiply
    40,676.84x = 56,131.40 × 22,771.69
  4. Step 4: Simplify right side
    40,676.84x = 1,278,206,840.07
  5. Step 5: Solve for x
    x = 1,278,206,840.07/40,676.84
  6. Step 6: Final answer
    x = 31,423.45

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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.