Home / 40,555.42-55,965.89-22,650.67

Finding the Fourth Proportional to 40,555.42, 55,965.89 and 22,650.67

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Solution

The fourth proportional to 40,555.42, 55,965.89 and 22,650.67 is: 31,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.42 : 55,965.89 = 22,650.67 : x
  2. Step 2: Convert to fraction form
    40,555.42/55,965.89 = 22,650.67/x
  3. Step 3: Cross multiply
    40,555.42x = 55,965.89 × 22,650.67
  4. Step 4: Simplify right side
    40,555.42x = 1,267,664,904.82
  5. Step 5: Solve for x
    x = 1,267,664,904.82/40,555.42
  6. Step 6: Final answer
    x = 31,257.60

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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.