Home / 34,907.55-48,172.63-18,992.12

Finding the Fourth Proportional to 34,907.55, 48,172.63 and 18,992.12

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Solution

The fourth proportional to 34,907.55, 48,172.63 and 18,992.12 is: 26,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,907.55 : 48,172.63 = 18,992.12 : x
  2. Step 2: Convert to fraction form
    34,907.55/48,172.63 = 18,992.12/x
  3. Step 3: Cross multiply
    34,907.55x = 48,172.63 × 18,992.12
  4. Step 4: Simplify right side
    34,907.55x = 914,900,128.81
  5. Step 5: Solve for x
    x = 914,900,128.81/34,907.55
  6. Step 6: Final answer
    x = 26,209.23

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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.