Home / 43,338.40-65,007.60-35,465.20

Finding the Fourth Proportional to 43,338.40, 65,007.60 and 35,465.20

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Solution

The fourth proportional to 43,338.40, 65,007.60 and 35,465.20 is: 53,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,338.40 : 65,007.60 = 35,465.20 : x
  2. Step 2: Convert to fraction form
    43,338.40/65,007.60 = 35,465.20/x
  3. Step 3: Cross multiply
    43,338.40x = 65,007.60 × 35,465.20
  4. Step 4: Simplify right side
    43,338.40x = 2,305,507,535.52
  5. Step 5: Solve for x
    x = 2,305,507,535.52/43,338.40
  6. Step 6: Final answer
    x = 53,197.80

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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.