Home / 40,221.96-55,506.32-22,316.99

Finding the Fourth Proportional to 40,221.96, 55,506.32 and 22,316.99

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Solution

The fourth proportional to 40,221.96, 55,506.32 and 22,316.99 is: 30,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.96 : 55,506.32 = 22,316.99 : x
  2. Step 2: Convert to fraction form
    40,221.96/55,506.32 = 22,316.99/x
  3. Step 3: Cross multiply
    40,221.96x = 55,506.32 × 22,316.99
  4. Step 4: Simplify right side
    40,221.96x = 1,238,733,682.95
  5. Step 5: Solve for x
    x = 1,238,733,682.95/40,221.96
  6. Step 6: Final answer
    x = 30,797.45

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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.