Home / 43,850.18-65,775.23-15,770.31

Finding the Fourth Proportional to 43,850.18, 65,775.23 and 15,770.31

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Solution

The fourth proportional to 43,850.18, 65,775.23 and 15,770.31 is: 23,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,850.18 : 65,775.23 = 15,770.31 : x
  2. Step 2: Convert to fraction form
    43,850.18/65,775.23 = 15,770.31/x
  3. Step 3: Cross multiply
    43,850.18x = 65,775.23 × 15,770.31
  4. Step 4: Simplify right side
    43,850.18x = 1,037,295,688.57
  5. Step 5: Solve for x
    x = 1,037,295,688.57/43,850.18
  6. Step 6: Final answer
    x = 23,655.45

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1.5x scale

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.