Home / 56,556.39-84,820.58-19,115.64

Finding the Fourth Proportional to 56,556.39, 84,820.58 and 19,115.64

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Solution

The fourth proportional to 56,556.39, 84,820.58 and 19,115.64 is: 28,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,556.39 : 84,820.58 = 19,115.64 : x
  2. Step 2: Convert to fraction form
    56,556.39/84,820.58 = 19,115.64/x
  3. Step 3: Cross multiply
    56,556.39x = 84,820.58 × 19,115.64
  4. Step 4: Simplify right side
    56,556.39x = 1,621,399,152.19
  5. Step 5: Solve for x
    x = 1,621,399,152.19/56,556.39
  6. Step 6: Final answer
    x = 28,668.72

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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.