Home / 30,741.14-46,078.86-21,949.40

Finding the Fourth Proportional to 30,741.14, 46,078.86 and 21,949.40

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Solution

The fourth proportional to 30,741.14, 46,078.86 and 21,949.40 is: 32,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,741.14 : 46,078.86 = 21,949.40 : x
  2. Step 2: Convert to fraction form
    30,741.14/46,078.86 = 21,949.40/x
  3. Step 3: Cross multiply
    30,741.14x = 46,078.86 × 21,949.40
  4. Step 4: Simplify right side
    30,741.14x = 1,011,403,329.68
  5. Step 5: Solve for x
    x = 1,011,403,329.68/30,741.14
  6. Step 6: Final answer
    x = 32,900.64

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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.