Home / 54,259.56-81,292.14-19,176.84

Finding the Fourth Proportional to 54,259.56, 81,292.14 and 19,176.84

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Solution

The fourth proportional to 54,259.56, 81,292.14 and 19,176.84 is: 28,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.56 : 81,292.14 = 19,176.84 : x
  2. Step 2: Convert to fraction form
    54,259.56/81,292.14 = 19,176.84/x
  3. Step 3: Cross multiply
    54,259.56x = 81,292.14 × 19,176.84
  4. Step 4: Simplify right side
    54,259.56x = 1,558,926,362.04
  5. Step 5: Solve for x
    x = 1,558,926,362.04/54,259.56
  6. Step 6: Final answer
    x = 28,730.91

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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.