Home / 30,166.05-45,255.58-9,104.33

Finding the Fourth Proportional to 30,166.05, 45,255.58 and 9,104.33

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Solution

The fourth proportional to 30,166.05, 45,255.58 and 9,104.33 is: 13,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.05 : 45,255.58 = 9,104.33 : x
  2. Step 2: Convert to fraction form
    30,166.05/45,255.58 = 9,104.33/x
  3. Step 3: Cross multiply
    30,166.05x = 45,255.58 × 9,104.33
  4. Step 4: Simplify right side
    30,166.05x = 412,021,598.76
  5. Step 5: Solve for x
    x = 412,021,598.76/30,166.05
  6. Step 6: Final answer
    x = 13,658.45

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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.