Home / 51,367.49-70,886.93-28,706.48

Finding the Fourth Proportional to 51,367.49, 70,886.93 and 28,706.48

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Solution

The fourth proportional to 51,367.49, 70,886.93 and 28,706.48 is: 39,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,367.49 : 70,886.93 = 28,706.48 : x
  2. Step 2: Convert to fraction form
    51,367.49/70,886.93 = 28,706.48/x
  3. Step 3: Cross multiply
    51,367.49x = 70,886.93 × 28,706.48
  4. Step 4: Simplify right side
    51,367.49x = 2,034,914,238.31
  5. Step 5: Solve for x
    x = 2,034,914,238.31/51,367.49
  6. Step 6: Final answer
    x = 39,614.83

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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.