Home / 54,448.83-81,678.89-15,005.95

Finding the Fourth Proportional to 54,448.83, 81,678.89 and 15,005.95

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Solution

The fourth proportional to 54,448.83, 81,678.89 and 15,005.95 is: 22,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,448.83 : 81,678.89 = 15,005.95 : x
  2. Step 2: Convert to fraction form
    54,448.83/81,678.89 = 15,005.95/x
  3. Step 3: Cross multiply
    54,448.83x = 81,678.89 × 15,005.95
  4. Step 4: Simplify right side
    54,448.83x = 1,225,669,172.71
  5. Step 5: Solve for x
    x = 1,225,669,172.71/54,448.83
  6. Step 6: Final answer
    x = 22,510.48

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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.