Home / 45,647.62-68,458.47-14,482.06

Finding the Fourth Proportional to 45,647.62, 68,458.47 and 14,482.06

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Solution

The fourth proportional to 45,647.62, 68,458.47 and 14,482.06 is: 21,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,647.62 : 68,458.47 = 14,482.06 : x
  2. Step 2: Convert to fraction form
    45,647.62/68,458.47 = 14,482.06/x
  3. Step 3: Cross multiply
    45,647.62x = 68,458.47 × 14,482.06
  4. Step 4: Simplify right side
    45,647.62x = 991,419,670.05
  5. Step 5: Solve for x
    x = 991,419,670.05/45,647.62
  6. Step 6: Final answer
    x = 21,718.98

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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.