Home / 43,307.70-64,949.40-13,734.60

Finding the Fourth Proportional to 43,307.70, 64,949.40 and 13,734.60

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Solution

The fourth proportional to 43,307.70, 64,949.40 and 13,734.60 is: 20,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,307.70 : 64,949.40 = 13,734.60 : x
  2. Step 2: Convert to fraction form
    43,307.70/64,949.40 = 13,734.60/x
  3. Step 3: Cross multiply
    43,307.70x = 64,949.40 × 13,734.60
  4. Step 4: Simplify right side
    43,307.70x = 892,054,029.24
  5. Step 5: Solve for x
    x = 892,054,029.24/43,307.70
  6. Step 6: Final answer
    x = 20,598.05

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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.