Home / 30,173.31-45,221.67-13,532.67

Finding the Fourth Proportional to 30,173.31, 45,221.67 and 13,532.67

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Solution

The fourth proportional to 30,173.31, 45,221.67 and 13,532.67 is: 20,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.31 : 45,221.67 = 13,532.67 : x
  2. Step 2: Convert to fraction form
    30,173.31/45,221.67 = 13,532.67/x
  3. Step 3: Cross multiply
    30,173.31x = 45,221.67 × 13,532.67
  4. Step 4: Simplify right side
    30,173.31x = 611,969,936.96
  5. Step 5: Solve for x
    x = 611,969,936.96/30,173.31
  6. Step 6: Final answer
    x = 20,281.83

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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.