Home / 30,291.22-41,801.86-16,862.18

Finding the Fourth Proportional to 30,291.22, 41,801.86 and 16,862.18

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Solution

The fourth proportional to 30,291.22, 41,801.86 and 16,862.18 is: 23,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.22 : 41,801.86 = 16,862.18 : x
  2. Step 2: Convert to fraction form
    30,291.22/41,801.86 = 16,862.18/x
  3. Step 3: Cross multiply
    30,291.22x = 41,801.86 × 16,862.18
  4. Step 4: Simplify right side
    30,291.22x = 704,870,487.65
  5. Step 5: Solve for x
    x = 704,870,487.65/30,291.22
  6. Step 6: Final answer
    x = 23,269.80

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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.