Home / 40,796.24-61,203.20-12,715.76

Finding the Fourth Proportional to 40,796.24, 61,203.20 and 12,715.76

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Solution

The fourth proportional to 40,796.24, 61,203.20 and 12,715.76 is: 19,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,796.24 : 61,203.20 = 12,715.76 : x
  2. Step 2: Convert to fraction form
    40,796.24/61,203.20 = 12,715.76/x
  3. Step 3: Cross multiply
    40,796.24x = 61,203.20 × 12,715.76
  4. Step 4: Simplify right side
    40,796.24x = 778,245,202.43
  5. Step 5: Solve for x
    x = 778,245,202.43/40,796.24
  6. Step 6: Final answer
    x = 19,076.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.