Home / 34,657.20-51,990.12-12,466.80

Finding the Fourth Proportional to 34,657.20, 51,990.12 and 12,466.80

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Solution

The fourth proportional to 34,657.20, 51,990.12 and 12,466.80 is: 18,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,657.20 : 51,990.12 = 12,466.80 : x
  2. Step 2: Convert to fraction form
    34,657.20/51,990.12 = 12,466.80/x
  3. Step 3: Cross multiply
    34,657.20x = 51,990.12 × 12,466.80
  4. Step 4: Simplify right side
    34,657.20x = 648,150,428.02
  5. Step 5: Solve for x
    x = 648,150,428.02/34,657.20
  6. Step 6: Final answer
    x = 18,701.75

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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.