Home / 53,477.06-80,233.82-20,206.72

Finding the Fourth Proportional to 53,477.06, 80,233.82 and 20,206.72

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Solution

The fourth proportional to 53,477.06, 80,233.82 and 20,206.72 is: 30,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,477.06 : 80,233.82 = 20,206.72 : x
  2. Step 2: Convert to fraction form
    53,477.06/80,233.82 = 20,206.72/x
  3. Step 3: Cross multiply
    53,477.06x = 80,233.82 × 20,206.72
  4. Step 4: Simplify right side
    53,477.06x = 1,621,262,335.27
  5. Step 5: Solve for x
    x = 1,621,262,335.27/53,477.06
  6. Step 6: Final answer
    x = 30,316.97

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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.