Home / 40,876.15-56,410.22-22,972.79

Finding the Fourth Proportional to 40,876.15, 56,410.22 and 22,972.79

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Solution

The fourth proportional to 40,876.15, 56,410.22 and 22,972.79 is: 31,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,876.15 : 56,410.22 = 22,972.79 : x
  2. Step 2: Convert to fraction form
    40,876.15/56,410.22 = 22,972.79/x
  3. Step 3: Cross multiply
    40,876.15x = 56,410.22 × 22,972.79
  4. Step 4: Simplify right side
    40,876.15x = 1,295,900,137.91
  5. Step 5: Solve for x
    x = 1,295,900,137.91/40,876.15
  6. Step 6: Final answer
    x = 31,703.09

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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.