Home / 30,175.56-45,245.64-9,109.26

Finding the Fourth Proportional to 30,175.56, 45,245.64 and 9,109.26

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Solution

The fourth proportional to 30,175.56, 45,245.64 and 9,109.26 is: 13,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,175.56 : 45,245.64 = 9,109.26 : x
  2. Step 2: Convert to fraction form
    30,175.56/45,245.64 = 9,109.26/x
  3. Step 3: Cross multiply
    30,175.56x = 45,245.64 × 9,109.26
  4. Step 4: Simplify right side
    30,175.56x = 412,154,298.63
  5. Step 5: Solve for x
    x = 412,154,298.63/30,175.56
  6. Step 6: Final answer
    x = 13,658.55

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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.