Home / 43,023.35-64,551.57-20,835.02

Finding the Fourth Proportional to 43,023.35, 64,551.57 and 20,835.02

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Solution

The fourth proportional to 43,023.35, 64,551.57 and 20,835.02 is: 31,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,023.35 : 64,551.57 = 20,835.02 : x
  2. Step 2: Convert to fraction form
    43,023.35/64,551.57 = 20,835.02/x
  3. Step 3: Cross multiply
    43,023.35x = 64,551.57 × 20,835.02
  4. Step 4: Simplify right side
    43,023.35x = 1,344,932,851.09
  5. Step 5: Solve for x
    x = 1,344,932,851.09/43,023.35
  6. Step 6: Final answer
    x = 31,260.54

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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.