Home / 45,400.41-68,097.81-21,724.77

Finding the Fourth Proportional to 45,400.41, 68,097.81 and 21,724.77

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Solution

The fourth proportional to 45,400.41, 68,097.81 and 21,724.77 is: 32,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,400.41 : 68,097.81 = 21,724.77 : x
  2. Step 2: Convert to fraction form
    45,400.41/68,097.81 = 21,724.77/x
  3. Step 3: Cross multiply
    45,400.41x = 68,097.81 × 21,724.77
  4. Step 4: Simplify right side
    45,400.41x = 1,479,409,259.75
  5. Step 5: Solve for x
    x = 1,479,409,259.75/45,400.41
  6. Step 6: Final answer
    x = 32,585.81

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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.