Home / 30,338.70-41,862.33-16,907.01

Finding the Fourth Proportional to 30,338.70, 41,862.33 and 16,907.01

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Solution

The fourth proportional to 30,338.70, 41,862.33 and 16,907.01 is: 23,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.70 : 41,862.33 = 16,907.01 : x
  2. Step 2: Convert to fraction form
    30,338.70/41,862.33 = 16,907.01/x
  3. Step 3: Cross multiply
    30,338.70x = 41,862.33 × 16,907.01
  4. Step 4: Simplify right side
    30,338.70x = 707,766,831.93
  5. Step 5: Solve for x
    x = 707,766,831.93/30,338.70
  6. Step 6: Final answer
    x = 23,328.85

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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.