Home / 52,622.12-78,930.60-19,339.64

Finding the Fourth Proportional to 52,622.12, 78,930.60 and 19,339.64

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Solution

The fourth proportional to 52,622.12, 78,930.60 and 19,339.64 is: 29,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,622.12 : 78,930.60 = 19,339.64 : x
  2. Step 2: Convert to fraction form
    52,622.12/78,930.60 = 19,339.64/x
  3. Step 3: Cross multiply
    52,622.12x = 78,930.60 × 19,339.64
  4. Step 4: Simplify right side
    52,622.12x = 1,526,489,388.98
  5. Step 5: Solve for x
    x = 1,526,489,388.98/52,622.12
  6. Step 6: Final answer
    x = 29,008.51

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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.