Home / 30,299.96-45,440.04-10,574.12

Finding the Fourth Proportional to 30,299.96, 45,440.04 and 10,574.12

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Solution

The fourth proportional to 30,299.96, 45,440.04 and 10,574.12 is: 15,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.96 : 45,440.04 = 10,574.12 : x
  2. Step 2: Convert to fraction form
    30,299.96/45,440.04 = 10,574.12/x
  3. Step 3: Cross multiply
    30,299.96x = 45,440.04 × 10,574.12
  4. Step 4: Simplify right side
    30,299.96x = 480,488,435.76
  5. Step 5: Solve for x
    x = 480,488,435.76/30,299.96
  6. Step 6: Final answer
    x = 15,857.73

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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.