Home / 47,350.90-65,365.75-30,361.56

Finding the Fourth Proportional to 47,350.90, 65,365.75 and 30,361.56

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Solution

The fourth proportional to 47,350.90, 65,365.75 and 30,361.56 is: 41,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,350.90 : 65,365.75 = 30,361.56 : x
  2. Step 2: Convert to fraction form
    47,350.90/65,365.75 = 30,361.56/x
  3. Step 3: Cross multiply
    47,350.90x = 65,365.75 × 30,361.56
  4. Step 4: Simplify right side
    47,350.90x = 1,984,606,140.57
  5. Step 5: Solve for x
    x = 1,984,606,140.57/47,350.90
  6. Step 6: Final answer
    x = 41,912.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.