Home / 34,210.58-51,321.53-12,018.20

Finding the Fourth Proportional to 34,210.58, 51,321.53 and 12,018.20

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Solution

The fourth proportional to 34,210.58, 51,321.53 and 12,018.20 is: 18,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,210.58 : 51,321.53 = 12,018.20 : x
  2. Step 2: Convert to fraction form
    34,210.58/51,321.53 = 12,018.20/x
  3. Step 3: Cross multiply
    34,210.58x = 51,321.53 × 12,018.20
  4. Step 4: Simplify right side
    34,210.58x = 616,792,185.28
  5. Step 5: Solve for x
    x = 616,792,185.28/34,210.58
  6. Step 6: Final answer
    x = 18,029.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.