Home / 29,789.55-41,128.83-18,471.06

Finding the Fourth Proportional to 29,789.55, 41,128.83 and 18,471.06

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Solution

The fourth proportional to 29,789.55, 41,128.83 and 18,471.06 is: 25,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,789.55 : 41,128.83 = 18,471.06 : x
  2. Step 2: Convert to fraction form
    29,789.55/41,128.83 = 18,471.06/x
  3. Step 3: Cross multiply
    29,789.55x = 41,128.83 × 18,471.06
  4. Step 4: Simplify right side
    29,789.55x = 759,693,086.66
  5. Step 5: Solve for x
    x = 759,693,086.66/29,789.55
  6. Step 6: Final answer
    x = 25,502.00

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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.