Home / 30,769.40-46,150.44-9,992.88

Finding the Fourth Proportional to 30,769.40, 46,150.44 and 9,992.88

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Solution

The fourth proportional to 30,769.40, 46,150.44 and 9,992.88 is: 14,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.40 : 46,150.44 = 9,992.88 : x
  2. Step 2: Convert to fraction form
    30,769.40/46,150.44 = 9,992.88/x
  3. Step 3: Cross multiply
    30,769.40x = 46,150.44 × 9,992.88
  4. Step 4: Simplify right side
    30,769.40x = 461,175,808.87
  5. Step 5: Solve for x
    x = 461,175,808.87/30,769.40
  6. Step 6: Final answer
    x = 14,988.13

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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.