Home / 34,836.27-48,074.49-18,920.99

Finding the Fourth Proportional to 34,836.27, 48,074.49 and 18,920.99

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Solution

The fourth proportional to 34,836.27, 48,074.49 and 18,920.99 is: 26,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,836.27 : 48,074.49 = 18,920.99 : x
  2. Step 2: Convert to fraction form
    34,836.27/48,074.49 = 18,920.99/x
  3. Step 3: Cross multiply
    34,836.27x = 48,074.49 × 18,920.99
  4. Step 4: Simplify right side
    34,836.27x = 909,616,704.17
  5. Step 5: Solve for x
    x = 909,616,704.17/34,836.27
  6. Step 6: Final answer
    x = 26,111.20

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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.