Home / 34,907.19-48,172.13-18,991.76

Finding the Fourth Proportional to 34,907.19, 48,172.13 and 18,991.76

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Solution

The fourth proportional to 34,907.19, 48,172.13 and 18,991.76 is: 26,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,907.19 : 48,172.13 = 18,991.76 : x
  2. Step 2: Convert to fraction form
    34,907.19/48,172.13 = 18,991.76/x
  3. Step 3: Cross multiply
    34,907.19x = 48,172.13 × 18,991.76
  4. Step 4: Simplify right side
    34,907.19x = 914,873,373.88
  5. Step 5: Solve for x
    x = 914,873,373.88/34,907.19
  6. Step 6: Final answer
    x = 26,208.74

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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.