Home / 51,867.72-71,551.16-30,343.38

Finding the Fourth Proportional to 51,867.72, 71,551.16 and 30,343.38

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Solution

The fourth proportional to 51,867.72, 71,551.16 and 30,343.38 is: 41,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,867.72 : 71,551.16 = 30,343.38 : x
  2. Step 2: Convert to fraction form
    51,867.72/71,551.16 = 30,343.38/x
  3. Step 3: Cross multiply
    51,867.72x = 71,551.16 × 30,343.38
  4. Step 4: Simplify right side
    51,867.72x = 2,171,104,037.32
  5. Step 5: Solve for x
    x = 2,171,104,037.32/51,867.72
  6. Step 6: Final answer
    x = 41,858.48

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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.