Home / 45,000.22-67,463.88-18,724.64

Finding the Fourth Proportional to 45,000.22, 67,463.88 and 18,724.64

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Solution

The fourth proportional to 45,000.22, 67,463.88 and 18,724.64 is: 28,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,000.22 : 67,463.88 = 18,724.64 : x
  2. Step 2: Convert to fraction form
    45,000.22/67,463.88 = 18,724.64/x
  3. Step 3: Cross multiply
    45,000.22x = 67,463.88 × 18,724.64
  4. Step 4: Simplify right side
    45,000.22x = 1,263,236,866.00
  5. Step 5: Solve for x
    x = 1,263,236,866.00/45,000.22
  6. Step 6: Final answer
    x = 28,071.79

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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.