Home / 40,896.72-56,437.20-22,991.76

Finding the Fourth Proportional to 40,896.72, 56,437.20 and 22,991.76

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Solution

The fourth proportional to 40,896.72, 56,437.20 and 22,991.76 is: 31,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.72 : 56,437.20 = 22,991.76 : x
  2. Step 2: Convert to fraction form
    40,896.72/56,437.20 = 22,991.76/x
  3. Step 3: Cross multiply
    40,896.72x = 56,437.20 × 22,991.76
  4. Step 4: Simplify right side
    40,896.72x = 1,297,590,557.47
  5. Step 5: Solve for x
    x = 1,297,590,557.47/40,896.72
  6. Step 6: Final answer
    x = 31,728.47

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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.