Home / 51,209.46-76,814.10-20,022.84

Finding the Fourth Proportional to 51,209.46, 76,814.10 and 20,022.84

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Solution

The fourth proportional to 51,209.46, 76,814.10 and 20,022.84 is: 30,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,209.46 : 76,814.10 = 20,022.84 : x
  2. Step 2: Convert to fraction form
    51,209.46/76,814.10 = 20,022.84/x
  3. Step 3: Cross multiply
    51,209.46x = 76,814.10 × 20,022.84
  4. Step 4: Simplify right side
    51,209.46x = 1,538,036,434.04
  5. Step 5: Solve for x
    x = 1,538,036,434.04/51,209.46
  6. Step 6: Final answer
    x = 30,034.22

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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.