Home / 34,836.50-48,074.15-18,920.81

Finding the Fourth Proportional to 34,836.50, 48,074.15 and 18,920.81

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Solution

The fourth proportional to 34,836.50, 48,074.15 and 18,920.81 is: 26,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,836.50 : 48,074.15 = 18,920.81 : x
  2. Step 2: Convert to fraction form
    34,836.50/48,074.15 = 18,920.81/x
  3. Step 3: Cross multiply
    34,836.50x = 48,074.15 × 18,920.81
  4. Step 4: Simplify right side
    34,836.50x = 909,601,523.09
  5. Step 5: Solve for x
    x = 909,601,523.09/34,836.50
  6. Step 6: Final answer
    x = 26,110.59

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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.