Home / 45,438.87-62,758.14-30,305.23

Finding the Fourth Proportional to 45,438.87, 62,758.14 and 30,305.23

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Solution

The fourth proportional to 45,438.87, 62,758.14 and 30,305.23 is: 41,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.87 : 62,758.14 = 30,305.23 : x
  2. Step 2: Convert to fraction form
    45,438.87/62,758.14 = 30,305.23/x
  3. Step 3: Cross multiply
    45,438.87x = 62,758.14 × 30,305.23
  4. Step 4: Simplify right side
    45,438.87x = 1,901,899,867.07
  5. Step 5: Solve for x
    x = 1,901,899,867.07/45,438.87
  6. Step 6: Final answer
    x = 41,856.23

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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.