Home / 31,291.31-46,918.01-12,293.19

Finding the Fourth Proportional to 31,291.31, 46,918.01 and 12,293.19

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Solution

The fourth proportional to 31,291.31, 46,918.01 and 12,293.19 is: 18,432.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,291.31 : 46,918.01 = 12,293.19 : x
  2. Step 2: Convert to fraction form
    31,291.31/46,918.01 = 12,293.19/x
  3. Step 3: Cross multiply
    31,291.31x = 46,918.01 × 12,293.19
  4. Step 4: Simplify right side
    31,291.31x = 576,772,139.47
  5. Step 5: Solve for x
    x = 576,772,139.47/31,291.31
  6. Step 6: Final answer
    x = 18,432.34

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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.