Home / 30,271.02-41,764.05-18,329.82

Finding the Fourth Proportional to 30,271.02, 41,764.05 and 18,329.82

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Solution

The fourth proportional to 30,271.02, 41,764.05 and 18,329.82 is: 25,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.02 : 41,764.05 = 18,329.82 : x
  2. Step 2: Convert to fraction form
    30,271.02/41,764.05 = 18,329.82/x
  3. Step 3: Cross multiply
    30,271.02x = 41,764.05 × 18,329.82
  4. Step 4: Simplify right side
    30,271.02x = 765,527,518.97
  5. Step 5: Solve for x
    x = 765,527,518.97/30,271.02
  6. Step 6: Final answer
    x = 25,289.12

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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.