Home / 30,701.85-46,052.78-10,979.21

Finding the Fourth Proportional to 30,701.85, 46,052.78 and 10,979.21

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Solution

The fourth proportional to 30,701.85, 46,052.78 and 10,979.21 is: 16,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.85 : 46,052.78 = 10,979.21 : x
  2. Step 2: Convert to fraction form
    30,701.85/46,052.78 = 10,979.21/x
  3. Step 3: Cross multiply
    30,701.85x = 46,052.78 × 10,979.21
  4. Step 4: Simplify right side
    30,701.85x = 505,623,087.81
  5. Step 5: Solve for x
    x = 505,623,087.81/30,701.85
  6. Step 6: Final answer
    x = 16,468.82

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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.