Home / 29,315.46-43,956.75-12,665.10

Finding the Fourth Proportional to 29,315.46, 43,956.75 and 12,665.10

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Solution

The fourth proportional to 29,315.46, 43,956.75 and 12,665.10 is: 18,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.46 : 43,956.75 = 12,665.10 : x
  2. Step 2: Convert to fraction form
    29,315.46/43,956.75 = 12,665.10/x
  3. Step 3: Cross multiply
    29,315.46x = 43,956.75 × 12,665.10
  4. Step 4: Simplify right side
    29,315.46x = 556,716,634.43
  5. Step 5: Solve for x
    x = 556,716,634.43/29,315.46
  6. Step 6: Final answer
    x = 18,990.55

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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.