Home / 29,789.80-41,129.16-18,471.32

Finding the Fourth Proportional to 29,789.80, 41,129.16 and 18,471.32

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Solution

The fourth proportional to 29,789.80, 41,129.16 and 18,471.32 is: 25,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,789.80 : 41,129.16 = 18,471.32 : x
  2. Step 2: Convert to fraction form
    29,789.80/41,129.16 = 18,471.32/x
  3. Step 3: Cross multiply
    29,789.80x = 41,129.16 × 18,471.32
  4. Step 4: Simplify right side
    29,789.80x = 759,709,875.69
  5. Step 5: Solve for x
    x = 759,709,875.69/29,789.80
  6. Step 6: Final answer
    x = 25,502.35

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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.