Home / 30,706.48-46,057.68-11,983.04

Finding the Fourth Proportional to 30,706.48, 46,057.68 and 11,983.04

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Solution

The fourth proportional to 30,706.48, 46,057.68 and 11,983.04 is: 17,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,706.48 : 46,057.68 = 11,983.04 : x
  2. Step 2: Convert to fraction form
    30,706.48/46,057.68 = 11,983.04/x
  3. Step 3: Cross multiply
    30,706.48x = 46,057.68 × 11,983.04
  4. Step 4: Simplify right side
    30,706.48x = 551,911,021.75
  5. Step 5: Solve for x
    x = 551,911,021.75/30,706.48
  6. Step 6: Final answer
    x = 17,973.76

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1.5x scale

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.