Home / 45,438.73-68,162.54-17,382.36

Finding the Fourth Proportional to 45,438.73, 68,162.54 and 17,382.36

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Solution

The fourth proportional to 45,438.73, 68,162.54 and 17,382.36 is: 26,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.73 : 68,162.54 = 17,382.36 : x
  2. Step 2: Convert to fraction form
    45,438.73/68,162.54 = 17,382.36/x
  3. Step 3: Cross multiply
    45,438.73x = 68,162.54 × 17,382.36
  4. Step 4: Simplify right side
    45,438.73x = 1,184,825,808.79
  5. Step 5: Solve for x
    x = 1,184,825,808.79/45,438.73
  6. Step 6: Final answer
    x = 26,075.24

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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.