Home / 53,289.08-79,891.17-30,774.21

Finding the Fourth Proportional to 53,289.08, 79,891.17 and 30,774.21

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Solution

The fourth proportional to 53,289.08, 79,891.17 and 30,774.21 is: 46,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,289.08 : 79,891.17 = 30,774.21 : x
  2. Step 2: Convert to fraction form
    53,289.08/79,891.17 = 30,774.21/x
  3. Step 3: Cross multiply
    53,289.08x = 79,891.17 × 30,774.21
  4. Step 4: Simplify right side
    53,289.08x = 2,458,587,556.46
  5. Step 5: Solve for x
    x = 2,458,587,556.46/53,289.08
  6. Step 6: Final answer
    x = 46,136.80

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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.