Home / 46,668.08-69,991.72-13,388

Finding the Fourth Proportional to 46,668.08, 69,991.72 and 13,388

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Solution

The fourth proportional to 46,668.08, 69,991.72 and 13,388 is: 20,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,668.08 : 69,991.72 = 13,388 : x
  2. Step 2: Convert to fraction form
    46,668.08/69,991.72 = 13,388/x
  3. Step 3: Cross multiply
    46,668.08x = 69,991.72 × 13,388
  4. Step 4: Simplify right side
    46,668.08x = 937,049,147.36
  5. Step 5: Solve for x
    x = 937,049,147.36/46,668.08
  6. Step 6: Final answer
    x = 20,079.02

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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.