Home / 30,571.83-45,852.21-10,581.30

Finding the Fourth Proportional to 30,571.83, 45,852.21 and 10,581.30

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Solution

The fourth proportional to 30,571.83, 45,852.21 and 10,581.30 is: 15,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,571.83 : 45,852.21 = 10,581.30 : x
  2. Step 2: Convert to fraction form
    30,571.83/45,852.21 = 10,581.30/x
  3. Step 3: Cross multiply
    30,571.83x = 45,852.21 × 10,581.30
  4. Step 4: Simplify right side
    30,571.83x = 485,175,989.67
  5. Step 5: Solve for x
    x = 485,175,989.67/30,571.83
  6. Step 6: Final answer
    x = 15,870.03

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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.