Home / 34,078.99-47,027.89-18,971.15

Finding the Fourth Proportional to 34,078.99, 47,027.89 and 18,971.15

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Solution

The fourth proportional to 34,078.99, 47,027.89 and 18,971.15 is: 26,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,078.99 : 47,027.89 = 18,971.15 : x
  2. Step 2: Convert to fraction form
    34,078.99/47,027.89 = 18,971.15/x
  3. Step 3: Cross multiply
    34,078.99x = 47,027.89 × 18,971.15
  4. Step 4: Simplify right side
    34,078.99x = 892,173,155.37
  5. Step 5: Solve for x
    x = 892,173,155.37/34,078.99
  6. Step 6: Final answer
    x = 26,179.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.