Home / 34,907.01-48,172.16-18,991.45

Finding the Fourth Proportional to 34,907.01, 48,172.16 and 18,991.45

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Solution

The fourth proportional to 34,907.01, 48,172.16 and 18,991.45 is: 26,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,907.01 : 48,172.16 = 18,991.45 : x
  2. Step 2: Convert to fraction form
    34,907.01/48,172.16 = 18,991.45/x
  3. Step 3: Cross multiply
    34,907.01x = 48,172.16 × 18,991.45
  4. Step 4: Simplify right side
    34,907.01x = 914,859,168.03
  5. Step 5: Solve for x
    x = 914,859,168.03/34,907.01
  6. Step 6: Final answer
    x = 26,208.47

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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.