Home / 45,551.57-68,303.66-20,579.67

Finding the Fourth Proportional to 45,551.57, 68,303.66 and 20,579.67

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Solution

The fourth proportional to 45,551.57, 68,303.66 and 20,579.67 is: 30,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,551.57 : 68,303.66 = 20,579.67 : x
  2. Step 2: Convert to fraction form
    45,551.57/68,303.66 = 20,579.67/x
  3. Step 3: Cross multiply
    45,551.57x = 68,303.66 × 20,579.67
  4. Step 4: Simplify right side
    45,551.57x = 1,405,666,679.69
  5. Step 5: Solve for x
    x = 1,405,666,679.69/45,551.57
  6. Step 6: Final answer
    x = 30,858.80

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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.