Home / 54,002.30-81,012.35-16,558.63

Finding the Fourth Proportional to 54,002.30, 81,012.35 and 16,558.63

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Solution

The fourth proportional to 54,002.30, 81,012.35 and 16,558.63 is: 24,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,002.30 : 81,012.35 = 16,558.63 : x
  2. Step 2: Convert to fraction form
    54,002.30/81,012.35 = 16,558.63/x
  3. Step 3: Cross multiply
    54,002.30x = 81,012.35 × 16,558.63
  4. Step 4: Simplify right side
    54,002.30x = 1,341,453,367.95
  5. Step 5: Solve for x
    x = 1,341,453,367.95/54,002.30
  6. Step 6: Final answer
    x = 24,840.67

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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.