Home / 30,701.07-46,057.68-11,980.35

Finding the Fourth Proportional to 30,701.07, 46,057.68 and 11,980.35

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Solution

The fourth proportional to 30,701.07, 46,057.68 and 11,980.35 is: 17,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.07 : 46,057.68 = 11,980.35 : x
  2. Step 2: Convert to fraction form
    30,701.07/46,057.68 = 11,980.35/x
  3. Step 3: Cross multiply
    30,701.07x = 46,057.68 × 11,980.35
  4. Step 4: Simplify right side
    30,701.07x = 551,787,126.59
  5. Step 5: Solve for x
    x = 551,787,126.59/30,701.07
  6. Step 6: Final answer
    x = 17,972.90

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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.