Home / 43,654.82-65,482.24-12,490.07

Finding the Fourth Proportional to 43,654.82, 65,482.24 and 12,490.07

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Solution

The fourth proportional to 43,654.82, 65,482.24 and 12,490.07 is: 18,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,654.82 : 65,482.24 = 12,490.07 : x
  2. Step 2: Convert to fraction form
    43,654.82/65,482.24 = 12,490.07/x
  3. Step 3: Cross multiply
    43,654.82x = 65,482.24 × 12,490.07
  4. Step 4: Simplify right side
    43,654.82x = 817,877,761.36
  5. Step 5: Solve for x
    x = 817,877,761.36/43,654.82
  6. Step 6: Final answer
    x = 18,735.11

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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.