Home / 29,102.38-43,639.74-13,302.78

Finding the Fourth Proportional to 29,102.38, 43,639.74 and 13,302.78

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Solution

The fourth proportional to 29,102.38, 43,639.74 and 13,302.78 is: 19,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,102.38 : 43,639.74 = 13,302.78 : x
  2. Step 2: Convert to fraction form
    29,102.38/43,639.74 = 13,302.78/x
  3. Step 3: Cross multiply
    29,102.38x = 43,639.74 × 13,302.78
  4. Step 4: Simplify right side
    29,102.38x = 580,529,860.48
  5. Step 5: Solve for x
    x = 580,529,860.48/29,102.38
  6. Step 6: Final answer
    x = 19,947.85

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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.