Home / 51,211.66-70,676.30-28,245.98

Finding the Fourth Proportional to 51,211.66, 70,676.30 and 28,245.98

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Solution

The fourth proportional to 51,211.66, 70,676.30 and 28,245.98 is: 38,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.66 : 70,676.30 = 28,245.98 : x
  2. Step 2: Convert to fraction form
    51,211.66/70,676.30 = 28,245.98/x
  3. Step 3: Cross multiply
    51,211.66x = 70,676.30 × 28,245.98
  4. Step 4: Simplify right side
    51,211.66x = 1,996,321,356.27
  5. Step 5: Solve for x
    x = 1,996,321,356.27/51,211.66
  6. Step 6: Final answer
    x = 38,981.77

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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.