Home / 48,299.45-72,476.58-18,719.33

Finding the Fourth Proportional to 48,299.45, 72,476.58 and 18,719.33

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Solution

The fourth proportional to 48,299.45, 72,476.58 and 18,719.33 is: 28,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,299.45 : 72,476.58 = 18,719.33 : x
  2. Step 2: Convert to fraction form
    48,299.45/72,476.58 = 18,719.33/x
  3. Step 3: Cross multiply
    48,299.45x = 72,476.58 × 18,719.33
  4. Step 4: Simplify right side
    48,299.45x = 1,356,713,018.29
  5. Step 5: Solve for x
    x = 1,356,713,018.29/48,299.45
  6. Step 6: Final answer
    x = 28,089.62

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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.