Home / 19,540.95-29,311.05-4,749.75

Finding the Fourth Proportional to 19,540.95, 29,311.05 and 4,749.75

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Solution

The fourth proportional to 19,540.95, 29,311.05 and 4,749.75 is: 7,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.95 : 29,311.05 = 4,749.75 : x
  2. Step 2: Convert to fraction form
    19,540.95/29,311.05 = 4,749.75/x
  3. Step 3: Cross multiply
    19,540.95x = 29,311.05 × 4,749.75
  4. Step 4: Simplify right side
    19,540.95x = 139,220,159.74
  5. Step 5: Solve for x
    x = 139,220,159.74/19,540.95
  6. Step 6: Final answer
    x = 7,124.53

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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.