Home / 30,734-46,090.72-12,009.18

Finding the Fourth Proportional to 30,734, 46,090.72 and 12,009.18

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Solution

The fourth proportional to 30,734, 46,090.72 and 12,009.18 is: 18,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,734 : 46,090.72 = 12,009.18 : x
  2. Step 2: Convert to fraction form
    30,734/46,090.72 = 12,009.18/x
  3. Step 3: Cross multiply
    30,734x = 46,090.72 × 12,009.18
  4. Step 4: Simplify right side
    30,734x = 553,511,752.81
  5. Step 5: Solve for x
    x = 553,511,752.81/30,734
  6. Step 6: Final answer
    x = 18,009.75

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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.