Home / 53,236.31-79,848.24-13,790.39

Finding the Fourth Proportional to 53,236.31, 79,848.24 and 13,790.39

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Solution

The fourth proportional to 53,236.31, 79,848.24 and 13,790.39 is: 20,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236.31 : 79,848.24 = 13,790.39 : x
  2. Step 2: Convert to fraction form
    53,236.31/79,848.24 = 13,790.39/x
  3. Step 3: Cross multiply
    53,236.31x = 79,848.24 × 13,790.39
  4. Step 4: Simplify right side
    53,236.31x = 1,101,138,370.41
  5. Step 5: Solve for x
    x = 1,101,138,370.41/53,236.31
  6. Step 6: Final answer
    x = 20,683.97

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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.