Home / 51,072.30-70,479.21-28,411.14

Finding the Fourth Proportional to 51,072.30, 70,479.21 and 28,411.14

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Solution

The fourth proportional to 51,072.30, 70,479.21 and 28,411.14 is: 39,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.30 : 70,479.21 = 28,411.14 : x
  2. Step 2: Convert to fraction form
    51,072.30/70,479.21 = 28,411.14/x
  3. Step 3: Cross multiply
    51,072.30x = 70,479.21 × 28,411.14
  4. Step 4: Simplify right side
    51,072.30x = 2,002,394,702.40
  5. Step 5: Solve for x
    x = 2,002,394,702.40/51,072.30
  6. Step 6: Final answer
    x = 39,207.06

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Why These Related Problems?

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