Home / 53,238.87-79,841.02-17,690.64

Finding the Fourth Proportional to 53,238.87, 79,841.02 and 17,690.64

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Solution

The fourth proportional to 53,238.87, 79,841.02 and 17,690.64 is: 26,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,238.87 : 79,841.02 = 17,690.64 : x
  2. Step 2: Convert to fraction form
    53,238.87/79,841.02 = 17,690.64/x
  3. Step 3: Cross multiply
    53,238.87x = 79,841.02 × 17,690.64
  4. Step 4: Simplify right side
    53,238.87x = 1,412,438,742.05
  5. Step 5: Solve for x
    x = 1,412,438,742.05/53,238.87
  6. Step 6: Final answer
    x = 26,530.22

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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.