Home / 40,721.88-56,197.26-22,816.92

Finding the Fourth Proportional to 40,721.88, 56,197.26 and 22,816.92

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Solution

The fourth proportional to 40,721.88, 56,197.26 and 22,816.92 is: 31,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.88 : 56,197.26 = 22,816.92 : x
  2. Step 2: Convert to fraction form
    40,721.88/56,197.26 = 22,816.92/x
  3. Step 3: Cross multiply
    40,721.88x = 56,197.26 × 22,816.92
  4. Step 4: Simplify right side
    40,721.88x = 1,282,248,385.64
  5. Step 5: Solve for x
    x = 1,282,248,385.64/40,721.88
  6. Step 6: Final answer
    x = 31,487.95

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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.