Home / 29,122.14-40,135.25-21,150.53

Finding the Fourth Proportional to 29,122.14, 40,135.25 and 21,150.53

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Solution

The fourth proportional to 29,122.14, 40,135.25 and 21,150.53 is: 29,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122.14 : 40,135.25 = 21,150.53 : x
  2. Step 2: Convert to fraction form
    29,122.14/40,135.25 = 21,150.53/x
  3. Step 3: Cross multiply
    29,122.14x = 40,135.25 × 21,150.53
  4. Step 4: Simplify right side
    29,122.14x = 848,881,502.75
  5. Step 5: Solve for x
    x = 848,881,502.75/29,122.14
  6. Step 6: Final answer
    x = 29,149.01

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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.