Home / 30,339.20-41,863.02-16,907.51

Finding the Fourth Proportional to 30,339.20, 41,863.02 and 16,907.51

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Solution

The fourth proportional to 30,339.20, 41,863.02 and 16,907.51 is: 23,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.20 : 41,863.02 = 16,907.51 : x
  2. Step 2: Convert to fraction form
    30,339.20/41,863.02 = 16,907.51/x
  3. Step 3: Cross multiply
    30,339.20x = 41,863.02 × 16,907.51
  4. Step 4: Simplify right side
    30,339.20x = 707,799,429.28
  5. Step 5: Solve for x
    x = 707,799,429.28/30,339.20
  6. Step 6: Final answer
    x = 23,329.54

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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.