Home / 29,005.14-40,013.55-20,507.34

Finding the Fourth Proportional to 29,005.14, 40,013.55 and 20,507.34

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Solution

The fourth proportional to 29,005.14, 40,013.55 and 20,507.34 is: 28,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.14 : 40,013.55 = 20,507.34 : x
  2. Step 2: Convert to fraction form
    29,005.14/40,013.55 = 20,507.34/x
  3. Step 3: Cross multiply
    29,005.14x = 40,013.55 × 20,507.34
  4. Step 4: Simplify right side
    29,005.14x = 820,571,474.46
  5. Step 5: Solve for x
    x = 820,571,474.46/29,005.14
  6. Step 6: Final answer
    x = 28,290.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.