Home / 51,149.87-70,584.03-28,175.19

Finding the Fourth Proportional to 51,149.87, 70,584.03 and 28,175.19

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Solution

The fourth proportional to 51,149.87, 70,584.03 and 28,175.19 is: 38,880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,149.87 : 70,584.03 = 28,175.19 : x
  2. Step 2: Convert to fraction form
    51,149.87/70,584.03 = 28,175.19/x
  3. Step 3: Cross multiply
    51,149.87x = 70,584.03 × 28,175.19
  4. Step 4: Simplify right side
    51,149.87x = 1,988,718,548.94
  5. Step 5: Solve for x
    x = 1,988,718,548.94/51,149.87
  6. Step 6: Final answer
    x = 38,880.23

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Double scale
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1.5x scale

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.