Home / 55,503.46-83,287.99-20,467.72

Finding the Fourth Proportional to 55,503.46, 83,287.99 and 20,467.72

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Solution

The fourth proportional to 55,503.46, 83,287.99 and 20,467.72 is: 30,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,503.46 : 83,287.99 = 20,467.72 : x
  2. Step 2: Convert to fraction form
    55,503.46/83,287.99 = 20,467.72/x
  3. Step 3: Cross multiply
    55,503.46x = 83,287.99 × 20,467.72
  4. Step 4: Simplify right side
    55,503.46x = 1,704,714,842.24
  5. Step 5: Solve for x
    x = 1,704,714,842.24/55,503.46
  6. Step 6: Final answer
    x = 30,713.67

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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.