Home / 51,243.57-70,722.30-30,022.84

Finding the Fourth Proportional to 51,243.57, 70,722.30 and 30,022.84

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Solution

The fourth proportional to 51,243.57, 70,722.30 and 30,022.84 is: 41,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,243.57 : 70,722.30 = 30,022.84 : x
  2. Step 2: Convert to fraction form
    51,243.57/70,722.30 = 30,022.84/x
  3. Step 3: Cross multiply
    51,243.57x = 70,722.30 × 30,022.84
  4. Step 4: Simplify right side
    51,243.57x = 2,123,284,356.65
  5. Step 5: Solve for x
    x = 2,123,284,356.65/51,243.57
  6. Step 6: Final answer
    x = 41,435.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.