Home / 71,670.14-107,505.46-21,750.66

Finding the Fourth Proportional to 71,670.14, 107,505.46 and 21,750.66

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Solution

The fourth proportional to 71,670.14, 107,505.46 and 21,750.66 is: 32,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,670.14 : 107,505.46 = 21,750.66 : x
  2. Step 2: Convert to fraction form
    71,670.14/107,505.46 = 21,750.66/x
  3. Step 3: Cross multiply
    71,670.14x = 107,505.46 × 21,750.66
  4. Step 4: Simplify right side
    71,670.14x = 2,338,314,708.60
  5. Step 5: Solve for x
    x = 2,338,314,708.60/71,670.14
  6. Step 6: Final answer
    x = 32,626.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.