Home / 31,148.33-46,689.69-15,533.15

Finding the Fourth Proportional to 31,148.33, 46,689.69 and 15,533.15

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Solution

The fourth proportional to 31,148.33, 46,689.69 and 15,533.15 is: 23,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148.33 : 46,689.69 = 15,533.15 : x
  2. Step 2: Convert to fraction form
    31,148.33/46,689.69 = 15,533.15/x
  3. Step 3: Cross multiply
    31,148.33x = 46,689.69 × 15,533.15
  4. Step 4: Simplify right side
    31,148.33x = 725,237,997.28
  5. Step 5: Solve for x
    x = 725,237,997.28/31,148.33
  6. Step 6: Final answer
    x = 23,283.37

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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.