Home / 30,127.99-41,578.16-17,376.43

Finding the Fourth Proportional to 30,127.99, 41,578.16 and 17,376.43

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Solution

The fourth proportional to 30,127.99, 41,578.16 and 17,376.43 is: 23,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.99 : 41,578.16 = 17,376.43 : x
  2. Step 2: Convert to fraction form
    30,127.99/41,578.16 = 17,376.43/x
  3. Step 3: Cross multiply
    30,127.99x = 41,578.16 × 17,376.43
  4. Step 4: Simplify right side
    30,127.99x = 722,479,986.77
  5. Step 5: Solve for x
    x = 722,479,986.77/30,127.99
  6. Step 6: Final answer
    x = 23,980.36

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1.5x scale

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.