Home / 45,379.36-68,069.12-17,677.36

Finding the Fourth Proportional to 45,379.36, 68,069.12 and 17,677.36

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Solution

The fourth proportional to 45,379.36, 68,069.12 and 17,677.36 is: 26,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,379.36 : 68,069.12 = 17,677.36 : x
  2. Step 2: Convert to fraction form
    45,379.36/68,069.12 = 17,677.36/x
  3. Step 3: Cross multiply
    45,379.36x = 68,069.12 × 17,677.36
  4. Step 4: Simplify right side
    45,379.36x = 1,203,282,339.12
  5. Step 5: Solve for x
    x = 1,203,282,339.12/45,379.36
  6. Step 6: Final answer
    x = 26,516.07

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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.