Home / 53,057.57-79,589.20-13,615.03

Finding the Fourth Proportional to 53,057.57, 79,589.20 and 13,615.03

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Solution

The fourth proportional to 53,057.57, 79,589.20 and 13,615.03 is: 20,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,057.57 : 79,589.20 = 13,615.03 : x
  2. Step 2: Convert to fraction form
    53,057.57/79,589.20 = 13,615.03/x
  3. Step 3: Cross multiply
    53,057.57x = 79,589.20 × 13,615.03
  4. Step 4: Simplify right side
    53,057.57x = 1,083,609,112.67
  5. Step 5: Solve for x
    x = 1,083,609,112.67/53,057.57
  6. Step 6: Final answer
    x = 20,423.27

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1.5x scale

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.