Home / 29,005.36-43,512.32-13,424.56

Finding the Fourth Proportional to 29,005.36, 43,512.32 and 13,424.56

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Solution

The fourth proportional to 29,005.36, 43,512.32 and 13,424.56 is: 20,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.36 : 43,512.32 = 13,424.56 : x
  2. Step 2: Convert to fraction form
    29,005.36/43,512.32 = 13,424.56/x
  3. Step 3: Cross multiply
    29,005.36x = 43,512.32 × 13,424.56
  4. Step 4: Simplify right side
    29,005.36x = 584,133,750.58
  5. Step 5: Solve for x
    x = 584,133,750.58/29,005.36
  6. Step 6: Final answer
    x = 20,138.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.