Home / 30,659.45-45,994.88-10,668.11

Finding the Fourth Proportional to 30,659.45, 45,994.88 and 10,668.11

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Solution

The fourth proportional to 30,659.45, 45,994.88 and 10,668.11 is: 16,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.45 : 45,994.88 = 10,668.11 : x
  2. Step 2: Convert to fraction form
    30,659.45/45,994.88 = 10,668.11/x
  3. Step 3: Cross multiply
    30,659.45x = 45,994.88 × 10,668.11
  4. Step 4: Simplify right side
    30,659.45x = 490,678,580.93
  5. Step 5: Solve for x
    x = 490,678,580.93/30,659.45
  6. Step 6: Final answer
    x = 16,004.15

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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.