Home / 49,668.02-68,544.36-30,811.22

Finding the Fourth Proportional to 49,668.02, 68,544.36 and 30,811.22

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Solution

The fourth proportional to 49,668.02, 68,544.36 and 30,811.22 is: 42,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.02 : 68,544.36 = 30,811.22 : x
  2. Step 2: Convert to fraction form
    49,668.02/68,544.36 = 30,811.22/x
  3. Step 3: Cross multiply
    49,668.02x = 68,544.36 × 30,811.22
  4. Step 4: Simplify right side
    49,668.02x = 2,111,935,355.72
  5. Step 5: Solve for x
    x = 2,111,935,355.72/49,668.02
  6. Step 6: Final answer
    x = 42,521.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.