Home / 45,216.90-67,849.65-18,924.30

Finding the Fourth Proportional to 45,216.90, 67,849.65 and 18,924.30

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Solution

The fourth proportional to 45,216.90, 67,849.65 and 18,924.30 is: 28,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,216.90 : 67,849.65 = 18,924.30 : x
  2. Step 2: Convert to fraction form
    45,216.90/67,849.65 = 18,924.30/x
  3. Step 3: Cross multiply
    45,216.90x = 67,849.65 × 18,924.30
  4. Step 4: Simplify right side
    45,216.90x = 1,284,007,131.50
  5. Step 5: Solve for x
    x = 1,284,007,131.50/45,216.90
  6. Step 6: Final answer
    x = 28,396.62

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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.