Home / 51,630.76-77,447.00-14,190.60

Finding the Fourth Proportional to 51,630.76, 77,447.00 and 14,190.60

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Solution

The fourth proportional to 51,630.76, 77,447.00 and 14,190.60 is: 21,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,630.76 : 77,447.00 = 14,190.60 : x
  2. Step 2: Convert to fraction form
    51,630.76/77,447.00 = 14,190.60/x
  3. Step 3: Cross multiply
    51,630.76x = 77,447.00 × 14,190.60
  4. Step 4: Simplify right side
    51,630.76x = 1,099,019,327.25
  5. Step 5: Solve for x
    x = 1,099,019,327.25/51,630.76
  6. Step 6: Final answer
    x = 21,286.13

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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.