Home / 30,284.67-45,404.83-14,268.75

Finding the Fourth Proportional to 30,284.67, 45,404.83 and 14,268.75

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Solution

The fourth proportional to 30,284.67, 45,404.83 and 14,268.75 is: 21,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.67 : 45,404.83 = 14,268.75 : x
  2. Step 2: Convert to fraction form
    30,284.67/45,404.83 = 14,268.75/x
  3. Step 3: Cross multiply
    30,284.67x = 45,404.83 × 14,268.75
  4. Step 4: Simplify right side
    30,284.67x = 647,870,168.06
  5. Step 5: Solve for x
    x = 647,870,168.06/30,284.67
  6. Step 6: Final answer
    x = 21,392.68

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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.