Home / 31,002.90-46,504.37-12,287.31

Finding the Fourth Proportional to 31,002.90, 46,504.37 and 12,287.31

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Solution

The fourth proportional to 31,002.90, 46,504.37 and 12,287.31 is: 18,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,002.90 : 46,504.37 = 12,287.31 : x
  2. Step 2: Convert to fraction form
    31,002.90/46,504.37 = 12,287.31/x
  3. Step 3: Cross multiply
    31,002.90x = 46,504.37 × 12,287.31
  4. Step 4: Simplify right side
    31,002.90x = 571,413,610.54
  5. Step 5: Solve for x
    x = 571,413,610.54/31,002.90
  6. Step 6: Final answer
    x = 18,430.97

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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.