Home / 30,568.68-45,895.50-15,788.52

Finding the Fourth Proportional to 30,568.68, 45,895.50 and 15,788.52

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Solution

The fourth proportional to 30,568.68, 45,895.50 and 15,788.52 is: 23,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.68 : 45,895.50 = 15,788.52 : x
  2. Step 2: Convert to fraction form
    30,568.68/45,895.50 = 15,788.52/x
  3. Step 3: Cross multiply
    30,568.68x = 45,895.50 × 15,788.52
  4. Step 4: Simplify right side
    30,568.68x = 724,622,019.66
  5. Step 5: Solve for x
    x = 724,622,019.66/30,568.68
  6. Step 6: Final answer
    x = 23,704.72

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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.