Home / 29,121.39-40,187.06-16,374.59

Finding the Fourth Proportional to 29,121.39, 40,187.06 and 16,374.59

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Solution

The fourth proportional to 29,121.39, 40,187.06 and 16,374.59 is: 22,596.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.39 : 40,187.06 = 16,374.59 : x
  2. Step 2: Convert to fraction form
    29,121.39/40,187.06 = 16,374.59/x
  3. Step 3: Cross multiply
    29,121.39x = 40,187.06 × 16,374.59
  4. Step 4: Simplify right side
    29,121.39x = 658,046,348.00
  5. Step 5: Solve for x
    x = 658,046,348.00/29,121.39
  6. Step 6: Final answer
    x = 22,596.67

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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.