Home / 51,311.26-70,802.46-28,647.60

Finding the Fourth Proportional to 51,311.26, 70,802.46 and 28,647.60

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Solution

The fourth proportional to 51,311.26, 70,802.46 and 28,647.60 is: 39,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,311.26 : 70,802.46 = 28,647.60 : x
  2. Step 2: Convert to fraction form
    51,311.26/70,802.46 = 28,647.60/x
  3. Step 3: Cross multiply
    51,311.26x = 70,802.46 × 28,647.60
  4. Step 4: Simplify right side
    51,311.26x = 2,028,320,553.10
  5. Step 5: Solve for x
    x = 2,028,320,553.10/51,311.26
  6. Step 6: Final answer
    x = 39,529.74

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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.