Home / 30,288.84-45,439.34-11,568.93

Finding the Fourth Proportional to 30,288.84, 45,439.34 and 11,568.93

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Solution

The fourth proportional to 30,288.84, 45,439.34 and 11,568.93 is: 17,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.84 : 45,439.34 = 11,568.93 : x
  2. Step 2: Convert to fraction form
    30,288.84/45,439.34 = 11,568.93/x
  3. Step 3: Cross multiply
    30,288.84x = 45,439.34 × 11,568.93
  4. Step 4: Simplify right side
    30,288.84x = 525,684,485.86
  5. Step 5: Solve for x
    x = 525,684,485.86/30,288.84
  6. Step 6: Final answer
    x = 17,355.72

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1.5x scale

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.