Home / 43,342.37-65,010.31-15,640.37

Finding the Fourth Proportional to 43,342.37, 65,010.31 and 15,640.37

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Solution

The fourth proportional to 43,342.37, 65,010.31 and 15,640.37 is: 23,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,342.37 : 65,010.31 = 15,640.37 : x
  2. Step 2: Convert to fraction form
    43,342.37/65,010.31 = 15,640.37/x
  3. Step 3: Cross multiply
    43,342.37x = 65,010.31 × 15,640.37
  4. Step 4: Simplify right side
    43,342.37x = 1,016,784,938.06
  5. Step 5: Solve for x
    x = 1,016,784,938.06/43,342.37
  6. Step 6: Final answer
    x = 23,459.38

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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.