Home / 53,589.72-80,378.88-22,003.12

Finding the Fourth Proportional to 53,589.72, 80,378.88 and 22,003.12

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Solution

The fourth proportional to 53,589.72, 80,378.88 and 22,003.12 is: 33,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,589.72 : 80,378.88 = 22,003.12 : x
  2. Step 2: Convert to fraction form
    53,589.72/80,378.88 = 22,003.12/x
  3. Step 3: Cross multiply
    53,589.72x = 80,378.88 × 22,003.12
  4. Step 4: Simplify right side
    53,589.72x = 1,768,586,142.11
  5. Step 5: Solve for x
    x = 1,768,586,142.11/53,589.72
  6. Step 6: Final answer
    x = 33,002.34

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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.