Home / 30,724.61-46,104.81-12,954.16

Finding the Fourth Proportional to 30,724.61, 46,104.81 and 12,954.16

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Solution

The fourth proportional to 30,724.61, 46,104.81 and 12,954.16 is: 19,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724.61 : 46,104.81 = 12,954.16 : x
  2. Step 2: Convert to fraction form
    30,724.61/46,104.81 = 12,954.16/x
  3. Step 3: Cross multiply
    30,724.61x = 46,104.81 × 12,954.16
  4. Step 4: Simplify right side
    30,724.61x = 597,248,790.21
  5. Step 5: Solve for x
    x = 597,248,790.21/30,724.61
  6. Step 6: Final answer
    x = 19,438.78

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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.