Home / 51,229.37-70,696.84-28,569.80

Finding the Fourth Proportional to 51,229.37, 70,696.84 and 28,569.80

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Solution

The fourth proportional to 51,229.37, 70,696.84 and 28,569.80 is: 39,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,229.37 : 70,696.84 = 28,569.80 : x
  2. Step 2: Convert to fraction form
    51,229.37/70,696.84 = 28,569.80/x
  3. Step 3: Cross multiply
    51,229.37x = 70,696.84 × 28,569.80
  4. Step 4: Simplify right side
    51,229.37x = 2,019,794,154.52
  5. Step 5: Solve for x
    x = 2,019,794,154.52/51,229.37
  6. Step 6: Final answer
    x = 39,426.49

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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.