Home / 30,216.45-41,704.67-19,307.61

Finding the Fourth Proportional to 30,216.45, 41,704.67 and 19,307.61

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Solution

The fourth proportional to 30,216.45, 41,704.67 and 19,307.61 is: 26,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.45 : 41,704.67 = 19,307.61 : x
  2. Step 2: Convert to fraction form
    30,216.45/41,704.67 = 19,307.61/x
  3. Step 3: Cross multiply
    30,216.45x = 41,704.67 × 19,307.61
  4. Step 4: Simplify right side
    30,216.45x = 805,217,407.00
  5. Step 5: Solve for x
    x = 805,217,407.00/30,216.45
  6. Step 6: Final answer
    x = 26,648.31

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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.