Home / 30,185.60-45,286.22-11,465.96

Finding the Fourth Proportional to 30,185.60, 45,286.22 and 11,465.96

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Solution

The fourth proportional to 30,185.60, 45,286.22 and 11,465.96 is: 17,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.60 : 45,286.22 = 11,465.96 : x
  2. Step 2: Convert to fraction form
    30,185.60/45,286.22 = 11,465.96/x
  3. Step 3: Cross multiply
    30,185.60x = 45,286.22 × 11,465.96
  4. Step 4: Simplify right side
    30,185.60x = 519,249,987.07
  5. Step 5: Solve for x
    x = 519,249,987.07/30,185.60
  6. Step 6: Final answer
    x = 17,201.91

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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.