Home / 45,392.80-68,089.24-14,230.48

Finding the Fourth Proportional to 45,392.80, 68,089.24 and 14,230.48

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Solution

The fourth proportional to 45,392.80, 68,089.24 and 14,230.48 is: 21,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,392.80 : 68,089.24 = 14,230.48 : x
  2. Step 2: Convert to fraction form
    45,392.80/68,089.24 = 14,230.48/x
  3. Step 3: Cross multiply
    45,392.80x = 68,089.24 × 14,230.48
  4. Step 4: Simplify right side
    45,392.80x = 968,942,568.04
  5. Step 5: Solve for x
    x = 968,942,568.04/45,392.80
  6. Step 6: Final answer
    x = 21,345.73

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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.