Home / 55,319.46-82,953.24-20,234.58

Finding the Fourth Proportional to 55,319.46, 82,953.24 and 20,234.58

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Solution

The fourth proportional to 55,319.46, 82,953.24 and 20,234.58 is: 30,342.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,319.46 : 82,953.24 = 20,234.58 : x
  2. Step 2: Convert to fraction form
    55,319.46/82,953.24 = 20,234.58/x
  3. Step 3: Cross multiply
    55,319.46x = 82,953.24 × 20,234.58
  4. Step 4: Simplify right side
    55,319.46x = 1,678,523,971.04
  5. Step 5: Solve for x
    x = 1,678,523,971.04/55,319.46
  6. Step 6: Final answer
    x = 30,342.38

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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.