Home / 53,050.31-79,576.20-13,606.41

Finding the Fourth Proportional to 53,050.31, 79,576.20 and 13,606.41

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Solution

The fourth proportional to 53,050.31, 79,576.20 and 13,606.41 is: 20,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,050.31 : 79,576.20 = 13,606.41 : x
  2. Step 2: Convert to fraction form
    53,050.31/79,576.20 = 13,606.41/x
  3. Step 3: Cross multiply
    53,050.31x = 79,576.20 × 13,606.41
  4. Step 4: Simplify right side
    53,050.31x = 1,082,746,403.44
  5. Step 5: Solve for x
    x = 1,082,746,403.44/53,050.31
  6. Step 6: Final answer
    x = 20,409.81

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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.