Home / 31,083.26-46,569.14-18,889.40

Finding the Fourth Proportional to 31,083.26, 46,569.14 and 18,889.40

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Solution

The fourth proportional to 31,083.26, 46,569.14 and 18,889.40 is: 28,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,083.26 : 46,569.14 = 18,889.40 : x
  2. Step 2: Convert to fraction form
    31,083.26/46,569.14 = 18,889.40/x
  3. Step 3: Cross multiply
    31,083.26x = 46,569.14 × 18,889.40
  4. Step 4: Simplify right side
    31,083.26x = 879,662,785.82
  5. Step 5: Solve for x
    x = 879,662,785.82/31,083.26
  6. Step 6: Final answer
    x = 28,300.21

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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.