Home / 31,084.31-46,629.47-12,360.19

Finding the Fourth Proportional to 31,084.31, 46,629.47 and 12,360.19

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Solution

The fourth proportional to 31,084.31, 46,629.47 and 12,360.19 is: 18,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,084.31 : 46,629.47 = 12,360.19 : x
  2. Step 2: Convert to fraction form
    31,084.31/46,629.47 = 12,360.19/x
  3. Step 3: Cross multiply
    31,084.31x = 46,629.47 × 12,360.19
  4. Step 4: Simplify right side
    31,084.31x = 576,348,930.42
  5. Step 5: Solve for x
    x = 576,348,930.42/31,084.31
  6. Step 6: Final answer
    x = 18,541.47

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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.