Home / 53,538.86-80,313.26-17,515.52

Finding the Fourth Proportional to 53,538.86, 80,313.26 and 17,515.52

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Solution

The fourth proportional to 53,538.86, 80,313.26 and 17,515.52 is: 26,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,538.86 : 80,313.26 = 17,515.52 : x
  2. Step 2: Convert to fraction form
    53,538.86/80,313.26 = 17,515.52/x
  3. Step 3: Cross multiply
    53,538.86x = 80,313.26 × 17,515.52
  4. Step 4: Simplify right side
    53,538.86x = 1,406,728,370.53
  5. Step 5: Solve for x
    x = 1,406,728,370.53/53,538.86
  6. Step 6: Final answer
    x = 26,274.90

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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.