Home / 54,320.14-81,460.23-18,772.48

Finding the Fourth Proportional to 54,320.14, 81,460.23 and 18,772.48

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Solution

The fourth proportional to 54,320.14, 81,460.23 and 18,772.48 is: 28,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,320.14 : 81,460.23 = 18,772.48 : x
  2. Step 2: Convert to fraction form
    54,320.14/81,460.23 = 18,772.48/x
  3. Step 3: Cross multiply
    54,320.14x = 81,460.23 × 18,772.48
  4. Step 4: Simplify right side
    54,320.14x = 1,529,210,538.47
  5. Step 5: Solve for x
    x = 1,529,210,538.47/54,320.14
  6. Step 6: Final answer
    x = 28,151.82

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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.