Home / 29,558.06-40,789.98-16,129.28

Finding the Fourth Proportional to 29,558.06, 40,789.98 and 16,129.28

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Solution

The fourth proportional to 29,558.06, 40,789.98 and 16,129.28 is: 22,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,558.06 : 40,789.98 = 16,129.28 : x
  2. Step 2: Convert to fraction form
    29,558.06/40,789.98 = 16,129.28/x
  3. Step 3: Cross multiply
    29,558.06x = 40,789.98 × 16,129.28
  4. Step 4: Simplify right side
    29,558.06x = 657,912,804.66
  5. Step 5: Solve for x
    x = 657,912,804.66/29,558.06
  6. Step 6: Final answer
    x = 22,258.32

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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.