Home / 34,020.99-46,948.88-18,915.03

Finding the Fourth Proportional to 34,020.99, 46,948.88 and 18,915.03

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Solution

The fourth proportional to 34,020.99, 46,948.88 and 18,915.03 is: 26,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,020.99 : 46,948.88 = 18,915.03 : x
  2. Step 2: Convert to fraction form
    34,020.99/46,948.88 = 18,915.03/x
  3. Step 3: Cross multiply
    34,020.99x = 46,948.88 × 18,915.03
  4. Step 4: Simplify right side
    34,020.99x = 888,039,520.95
  5. Step 5: Solve for x
    x = 888,039,520.95/34,020.99
  6. Step 6: Final answer
    x = 26,102.69

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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.