Home / 51,647.10-71,273.97-30,438.06

Finding the Fourth Proportional to 51,647.10, 71,273.97 and 30,438.06

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Solution

The fourth proportional to 51,647.10, 71,273.97 and 30,438.06 is: 42,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,647.10 : 71,273.97 = 30,438.06 : x
  2. Step 2: Convert to fraction form
    51,647.10/71,273.97 = 30,438.06/x
  3. Step 3: Cross multiply
    51,647.10x = 71,273.97 × 30,438.06
  4. Step 4: Simplify right side
    51,647.10x = 2,169,441,375.30
  5. Step 5: Solve for x
    x = 2,169,441,375.30/51,647.10
  6. Step 6: Final answer
    x = 42,005.10

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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.