Home / 34,835.94-48,072.80-18,920.04

Finding the Fourth Proportional to 34,835.94, 48,072.80 and 18,920.04

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Solution

The fourth proportional to 34,835.94, 48,072.80 and 18,920.04 is: 26,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,835.94 : 48,072.80 = 18,920.04 : x
  2. Step 2: Convert to fraction form
    34,835.94/48,072.80 = 18,920.04/x
  3. Step 3: Cross multiply
    34,835.94x = 48,072.80 × 18,920.04
  4. Step 4: Simplify right side
    34,835.94x = 909,539,455.53
  5. Step 5: Solve for x
    x = 909,539,455.53/34,835.94
  6. Step 6: Final answer
    x = 26,109.23

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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.