Home / 30,163.08-45,257.04-10,455.48

Finding the Fourth Proportional to 30,163.08, 45,257.04 and 10,455.48

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Solution

The fourth proportional to 30,163.08, 45,257.04 and 10,455.48 is: 15,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.08 : 45,257.04 = 10,455.48 : x
  2. Step 2: Convert to fraction form
    30,163.08/45,257.04 = 10,455.48/x
  3. Step 3: Cross multiply
    30,163.08x = 45,257.04 × 10,455.48
  4. Step 4: Simplify right side
    30,163.08x = 473,184,076.58
  5. Step 5: Solve for x
    x = 473,184,076.58/30,163.08
  6. Step 6: Final answer
    x = 15,687.53

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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.