Home / 29,530.49-44,270.83-12,878.31

Finding the Fourth Proportional to 29,530.49, 44,270.83 and 12,878.31

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Solution

The fourth proportional to 29,530.49, 44,270.83 and 12,878.31 is: 19,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,530.49 : 44,270.83 = 12,878.31 : x
  2. Step 2: Convert to fraction form
    29,530.49/44,270.83 = 12,878.31/x
  3. Step 3: Cross multiply
    29,530.49x = 44,270.83 × 12,878.31
  4. Step 4: Simplify right side
    29,530.49x = 570,133,472.70
  5. Step 5: Solve for x
    x = 570,133,472.70/29,530.49
  6. Step 6: Final answer
    x = 19,306.60

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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.