Home / 46,578.31-69,821.89-18,489.03

Finding the Fourth Proportional to 46,578.31, 69,821.89 and 18,489.03

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Solution

The fourth proportional to 46,578.31, 69,821.89 and 18,489.03 is: 27,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,578.31 : 69,821.89 = 18,489.03 : x
  2. Step 2: Convert to fraction form
    46,578.31/69,821.89 = 18,489.03/x
  3. Step 3: Cross multiply
    46,578.31x = 69,821.89 × 18,489.03
  4. Step 4: Simplify right side
    46,578.31x = 1,290,939,018.87
  5. Step 5: Solve for x
    x = 1,290,939,018.87/46,578.31
  6. Step 6: Final answer
    x = 27,715.45

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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.