Home / 46,578.54-69,868.43-20,282.30

Finding the Fourth Proportional to 46,578.54, 69,868.43 and 20,282.30

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Solution

The fourth proportional to 46,578.54, 69,868.43 and 20,282.30 is: 30,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,578.54 : 69,868.43 = 20,282.30 : x
  2. Step 2: Convert to fraction form
    46,578.54/69,868.43 = 20,282.30/x
  3. Step 3: Cross multiply
    46,578.54x = 69,868.43 × 20,282.30
  4. Step 4: Simplify right side
    46,578.54x = 1,417,092,007.04
  5. Step 5: Solve for x
    x = 1,417,092,007.04/46,578.54
  6. Step 6: Final answer
    x = 30,423.71

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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.