Home / 40,221.30-55,513.47-23,228.31

Finding the Fourth Proportional to 40,221.30, 55,513.47 and 23,228.31

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Solution

The fourth proportional to 40,221.30, 55,513.47 and 23,228.31 is: 32,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.30 : 55,513.47 = 23,228.31 : x
  2. Step 2: Convert to fraction form
    40,221.30/55,513.47 = 23,228.31/x
  3. Step 3: Cross multiply
    40,221.30x = 55,513.47 × 23,228.31
  4. Step 4: Simplify right side
    40,221.30x = 1,289,484,090.34
  5. Step 5: Solve for x
    x = 1,289,484,090.34/40,221.30
  6. Step 6: Final answer
    x = 32,059.73

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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.