Home / 20,284.48-30,433.74-14,486.32

Finding the Fourth Proportional to 20,284.48, 30,433.74 and 14,486.32

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Solution

The fourth proportional to 20,284.48, 30,433.74 and 14,486.32 is: 21,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.48 : 30,433.74 = 14,486.32 : x
  2. Step 2: Convert to fraction form
    20,284.48/30,433.74 = 14,486.32/x
  3. Step 3: Cross multiply
    20,284.48x = 30,433.74 × 14,486.32
  4. Step 4: Simplify right side
    20,284.48x = 440,872,896.44
  5. Step 5: Solve for x
    x = 440,872,896.44/20,284.48
  6. Step 6: Final answer
    x = 21,734.49

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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.