Home / 29,051.82-40,086.18-19,505.57

Finding the Fourth Proportional to 29,051.82, 40,086.18 and 19,505.57

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Solution

The fourth proportional to 29,051.82, 40,086.18 and 19,505.57 is: 26,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,051.82 : 40,086.18 = 19,505.57 : x
  2. Step 2: Convert to fraction form
    29,051.82/40,086.18 = 19,505.57/x
  3. Step 3: Cross multiply
    29,051.82x = 40,086.18 × 19,505.57
  4. Step 4: Simplify right side
    29,051.82x = 781,903,589.59
  5. Step 5: Solve for x
    x = 781,903,589.59/29,051.82
  6. Step 6: Final answer
    x = 26,914.10

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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.