Home / 30,134.24-45,203.88-10,404.80

Finding the Fourth Proportional to 30,134.24, 45,203.88 and 10,404.80

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Solution

The fourth proportional to 30,134.24, 45,203.88 and 10,404.80 is: 15,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.24 : 45,203.88 = 10,404.80 : x
  2. Step 2: Convert to fraction form
    30,134.24/45,203.88 = 10,404.80/x
  3. Step 3: Cross multiply
    30,134.24x = 45,203.88 × 10,404.80
  4. Step 4: Simplify right side
    30,134.24x = 470,337,330.62
  5. Step 5: Solve for x
    x = 470,337,330.62/30,134.24
  6. Step 6: Final answer
    x = 15,608.07

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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.