Home / 52,853.68-79,276.47-19,558.09

Finding the Fourth Proportional to 52,853.68, 79,276.47 and 19,558.09

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Solution

The fourth proportional to 52,853.68, 79,276.47 and 19,558.09 is: 29,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,853.68 : 79,276.47 = 19,558.09 : x
  2. Step 2: Convert to fraction form
    52,853.68/79,276.47 = 19,558.09/x
  3. Step 3: Cross multiply
    52,853.68x = 79,276.47 × 19,558.09
  4. Step 4: Simplify right side
    52,853.68x = 1,550,496,335.14
  5. Step 5: Solve for x
    x = 1,550,496,335.14/52,853.68
  6. Step 6: Final answer
    x = 29,335.64

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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.