Home / 45,464.80-68,197.20-14,309.60

Finding the Fourth Proportional to 45,464.80, 68,197.20 and 14,309.60

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Solution

The fourth proportional to 45,464.80, 68,197.20 and 14,309.60 is: 21,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,464.80 : 68,197.20 = 14,309.60 : x
  2. Step 2: Convert to fraction form
    45,464.80/68,197.20 = 14,309.60/x
  3. Step 3: Cross multiply
    45,464.80x = 68,197.20 × 14,309.60
  4. Step 4: Simplify right side
    45,464.80x = 975,874,653.12
  5. Step 5: Solve for x
    x = 975,874,653.12/45,464.80
  6. Step 6: Final answer
    x = 21,464.40

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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.