Home / 51,722.56-71,385.24-30,504.16

Finding the Fourth Proportional to 51,722.56, 71,385.24 and 30,504.16

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Solution

The fourth proportional to 51,722.56, 71,385.24 and 30,504.16 is: 42,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,722.56 : 71,385.24 = 30,504.16 : x
  2. Step 2: Convert to fraction form
    51,722.56/71,385.24 = 30,504.16/x
  3. Step 3: Cross multiply
    51,722.56x = 71,385.24 × 30,504.16
  4. Step 4: Simplify right side
    51,722.56x = 2,177,546,782.60
  5. Step 5: Solve for x
    x = 2,177,546,782.60/51,722.56
  6. Step 6: Final answer
    x = 42,100.52

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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.