Home / 34,605.04-51,905.40-13,813.60

Finding the Fourth Proportional to 34,605.04, 51,905.40 and 13,813.60

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Solution

The fourth proportional to 34,605.04, 51,905.40 and 13,813.60 is: 20,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,605.04 : 51,905.40 = 13,813.60 : x
  2. Step 2: Convert to fraction form
    34,605.04/51,905.40 = 13,813.60/x
  3. Step 3: Cross multiply
    34,605.04x = 51,905.40 × 13,813.60
  4. Step 4: Simplify right side
    34,605.04x = 717,000,433.44
  5. Step 5: Solve for x
    x = 717,000,433.44/34,605.04
  6. Step 6: Final answer
    x = 20,719.54

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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.