Home / 30,079.88-41,529.06-19,329.09

Finding the Fourth Proportional to 30,079.88, 41,529.06 and 19,329.09

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Solution

The fourth proportional to 30,079.88, 41,529.06 and 19,329.09 is: 26,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.88 : 41,529.06 = 19,329.09 : x
  2. Step 2: Convert to fraction form
    30,079.88/41,529.06 = 19,329.09/x
  3. Step 3: Cross multiply
    30,079.88x = 41,529.06 × 19,329.09
  4. Step 4: Simplify right side
    30,079.88x = 802,718,782.62
  5. Step 5: Solve for x
    x = 802,718,782.62/30,079.88
  6. Step 6: Final answer
    x = 26,686.24

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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.