Home / 54,482.34-81,717.30-18,936.84

Finding the Fourth Proportional to 54,482.34, 81,717.30 and 18,936.84

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Solution

The fourth proportional to 54,482.34, 81,717.30 and 18,936.84 is: 28,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,482.34 : 81,717.30 = 18,936.84 : x
  2. Step 2: Convert to fraction form
    54,482.34/81,717.30 = 18,936.84/x
  3. Step 3: Cross multiply
    54,482.34x = 81,717.30 × 18,936.84
  4. Step 4: Simplify right side
    54,482.34x = 1,547,467,435.33
  5. Step 5: Solve for x
    x = 1,547,467,435.33/54,482.34
  6. Step 6: Final answer
    x = 28,403.10

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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.