Home / 45,153.04-67,684.92-21,418.96

Finding the Fourth Proportional to 45,153.04, 67,684.92 and 21,418.96

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Solution

The fourth proportional to 45,153.04, 67,684.92 and 21,418.96 is: 32,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,153.04 : 67,684.92 = 21,418.96 : x
  2. Step 2: Convert to fraction form
    45,153.04/67,684.92 = 21,418.96/x
  3. Step 3: Cross multiply
    45,153.04x = 67,684.92 × 21,418.96
  4. Step 4: Simplify right side
    45,153.04x = 1,449,740,594.08
  5. Step 5: Solve for x
    x = 1,449,740,594.08/45,153.04
  6. Step 6: Final answer
    x = 32,107.26

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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.