Home / 43,023.72-64,552.13-20,835.39

Finding the Fourth Proportional to 43,023.72, 64,552.13 and 20,835.39

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Solution

The fourth proportional to 43,023.72, 64,552.13 and 20,835.39 is: 31,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,023.72 : 64,552.13 = 20,835.39 : x
  2. Step 2: Convert to fraction form
    43,023.72/64,552.13 = 20,835.39/x
  3. Step 3: Cross multiply
    43,023.72x = 64,552.13 × 20,835.39
  4. Step 4: Simplify right side
    43,023.72x = 1,344,968,855.97
  5. Step 5: Solve for x
    x = 1,344,968,855.97/43,023.72
  6. Step 6: Final answer
    x = 31,261.10

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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.