Home / 40,455.41-55,829.20-22,548.49

Finding the Fourth Proportional to 40,455.41, 55,829.20 and 22,548.49

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Solution

The fourth proportional to 40,455.41, 55,829.20 and 22,548.49 is: 31,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.41 : 55,829.20 = 22,548.49 : x
  2. Step 2: Convert to fraction form
    40,455.41/55,829.20 = 22,548.49/x
  3. Step 3: Cross multiply
    40,455.41x = 55,829.20 × 22,548.49
  4. Step 4: Simplify right side
    40,455.41x = 1,258,864,157.91
  5. Step 5: Solve for x
    x = 1,258,864,157.91/40,455.41
  6. Step 6: Final answer
    x = 31,117.33

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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.