Home / 34,081.50-47,028.69-18,970.68

Finding the Fourth Proportional to 34,081.50, 47,028.69 and 18,970.68

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Solution

The fourth proportional to 34,081.50, 47,028.69 and 18,970.68 is: 26,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,081.50 : 47,028.69 = 18,970.68 : x
  2. Step 2: Convert to fraction form
    34,081.50/47,028.69 = 18,970.68/x
  3. Step 3: Cross multiply
    34,081.50x = 47,028.69 × 18,970.68
  4. Step 4: Simplify right side
    34,081.50x = 892,166,228.81
  5. Step 5: Solve for x
    x = 892,166,228.81/34,081.50
  6. Step 6: Final answer
    x = 26,177.43

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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.