Home / 40,953.04-61,429.56-12,872.96

Finding the Fourth Proportional to 40,953.04, 61,429.56 and 12,872.96

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Solution

The fourth proportional to 40,953.04, 61,429.56 and 12,872.96 is: 19,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,953.04 : 61,429.56 = 12,872.96 : x
  2. Step 2: Convert to fraction form
    40,953.04/61,429.56 = 12,872.96/x
  3. Step 3: Cross multiply
    40,953.04x = 61,429.56 × 12,872.96
  4. Step 4: Simplify right side
    40,953.04x = 790,780,268.70
  5. Step 5: Solve for x
    x = 790,780,268.70/40,953.04
  6. Step 6: Final answer
    x = 19,309.44

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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.