Home / 34,081.75-47,029.03-18,970.93

Finding the Fourth Proportional to 34,081.75, 47,029.03 and 18,970.93

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Solution

The fourth proportional to 34,081.75, 47,029.03 and 18,970.93 is: 26,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,081.75 : 47,029.03 = 18,970.93 : x
  2. Step 2: Convert to fraction form
    34,081.75/47,029.03 = 18,970.93/x
  3. Step 3: Cross multiply
    34,081.75x = 47,029.03 × 18,970.93
  4. Step 4: Simplify right side
    34,081.75x = 892,184,436.10
  5. Step 5: Solve for x
    x = 892,184,436.10/34,081.75
  6. Step 6: Final answer
    x = 26,177.78

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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.