Home / 30,688.14-45,994.52-15,888.62

Finding the Fourth Proportional to 30,688.14, 45,994.52 and 15,888.62

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Solution

The fourth proportional to 30,688.14, 45,994.52 and 15,888.62 is: 23,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688.14 : 45,994.52 = 15,888.62 : x
  2. Step 2: Convert to fraction form
    30,688.14/45,994.52 = 15,888.62/x
  3. Step 3: Cross multiply
    30,688.14x = 45,994.52 × 15,888.62
  4. Step 4: Simplify right side
    30,688.14x = 730,789,450.36
  5. Step 5: Solve for x
    x = 730,789,450.36/30,688.14
  6. Step 6: Final answer
    x = 23,813.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.