Home / 30,653.73-45,979.32-10,667.80

Finding the Fourth Proportional to 30,653.73, 45,979.32 and 10,667.80

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Solution

The fourth proportional to 30,653.73, 45,979.32 and 10,667.80 is: 16,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.73 : 45,979.32 = 10,667.80 : x
  2. Step 2: Convert to fraction form
    30,653.73/45,979.32 = 10,667.80/x
  3. Step 3: Cross multiply
    30,653.73x = 45,979.32 × 10,667.80
  4. Step 4: Simplify right side
    30,653.73x = 490,498,189.90
  5. Step 5: Solve for x
    x = 490,498,189.90/30,653.73
  6. Step 6: Final answer
    x = 16,001.26

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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.