Home / 34,297.20-51,445.80-12,111.30

Finding the Fourth Proportional to 34,297.20, 51,445.80 and 12,111.30

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Solution

The fourth proportional to 34,297.20, 51,445.80 and 12,111.30 is: 18,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,297.20 : 51,445.80 = 12,111.30 : x
  2. Step 2: Convert to fraction form
    34,297.20/51,445.80 = 12,111.30/x
  3. Step 3: Cross multiply
    34,297.20x = 51,445.80 × 12,111.30
  4. Step 4: Simplify right side
    34,297.20x = 623,075,517.54
  5. Step 5: Solve for x
    x = 623,075,517.54/34,297.20
  6. Step 6: Final answer
    x = 18,166.95

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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.