Home / 29,235.75-43,836.06-13,420.99

Finding the Fourth Proportional to 29,235.75, 43,836.06 and 13,420.99

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Solution

The fourth proportional to 29,235.75, 43,836.06 and 13,420.99 is: 20,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235.75 : 43,836.06 = 13,420.99 : x
  2. Step 2: Convert to fraction form
    29,235.75/43,836.06 = 13,420.99/x
  3. Step 3: Cross multiply
    29,235.75x = 43,836.06 × 13,420.99
  4. Step 4: Simplify right side
    29,235.75x = 588,323,322.90
  5. Step 5: Solve for x
    x = 588,323,322.90/29,235.75
  6. Step 6: Final answer
    x = 20,123.43

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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.