Home / 51,236.25-70,706.57-28,880.25

Finding the Fourth Proportional to 51,236.25, 70,706.57 and 28,880.25

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Solution

The fourth proportional to 51,236.25, 70,706.57 and 28,880.25 is: 39,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,236.25 : 70,706.57 = 28,880.25 : x
  2. Step 2: Convert to fraction form
    51,236.25/70,706.57 = 28,880.25/x
  3. Step 3: Cross multiply
    51,236.25x = 70,706.57 × 28,880.25
  4. Step 4: Simplify right side
    51,236.25x = 2,042,023,418.24
  5. Step 5: Solve for x
    x = 2,042,023,418.24/51,236.25
  6. Step 6: Final answer
    x = 39,855.05

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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.