Home / 34,879.60-52,319.40-18,495.60

Finding the Fourth Proportional to 34,879.60, 52,319.40 and 18,495.60

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Solution

The fourth proportional to 34,879.60, 52,319.40 and 18,495.60 is: 27,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,879.60 : 52,319.40 = 18,495.60 : x
  2. Step 2: Convert to fraction form
    34,879.60/52,319.40 = 18,495.60/x
  3. Step 3: Cross multiply
    34,879.60x = 52,319.40 × 18,495.60
  4. Step 4: Simplify right side
    34,879.60x = 967,678,694.64
  5. Step 5: Solve for x
    x = 967,678,694.64/34,879.60
  6. Step 6: Final answer
    x = 27,743.40

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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.