Home / 53,200.56-79,813.26-18,140.52

Finding the Fourth Proportional to 53,200.56, 79,813.26 and 18,140.52

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Solution

The fourth proportional to 53,200.56, 79,813.26 and 18,140.52 is: 27,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,200.56 : 79,813.26 = 18,140.52 : x
  2. Step 2: Convert to fraction form
    53,200.56/79,813.26 = 18,140.52/x
  3. Step 3: Cross multiply
    53,200.56x = 79,813.26 × 18,140.52
  4. Step 4: Simplify right side
    53,200.56x = 1,447,854,039.30
  5. Step 5: Solve for x
    x = 1,447,854,039.30/53,200.56
  6. Step 6: Final answer
    x = 27,215.02

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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.