Home / 43,688.88-65,532.78-30,813.02

Finding the Fourth Proportional to 43,688.88, 65,532.78 and 30,813.02

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Solution

The fourth proportional to 43,688.88, 65,532.78 and 30,813.02 is: 46,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,688.88 : 65,532.78 = 30,813.02 : x
  2. Step 2: Convert to fraction form
    43,688.88/65,532.78 = 30,813.02/x
  3. Step 3: Cross multiply
    43,688.88x = 65,532.78 × 30,813.02
  4. Step 4: Simplify right side
    43,688.88x = 2,019,262,860.80
  5. Step 5: Solve for x
    x = 2,019,262,860.80/43,688.88
  6. Step 6: Final answer
    x = 46,219.15

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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.