Home / 65,797.08-98,685.32-21,423.54

Finding the Fourth Proportional to 65,797.08, 98,685.32 and 21,423.54

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Solution

The fourth proportional to 65,797.08, 98,685.32 and 21,423.54 is: 32,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,797.08 : 98,685.32 = 21,423.54 : x
  2. Step 2: Convert to fraction form
    65,797.08/98,685.32 = 21,423.54/x
  3. Step 3: Cross multiply
    65,797.08x = 98,685.32 × 21,423.54
  4. Step 4: Simplify right side
    65,797.08x = 2,114,188,503.58
  5. Step 5: Solve for x
    x = 2,114,188,503.58/65,797.08
  6. Step 6: Final answer
    x = 32,131.95

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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.