Home / 48,518.34-72,804.78-18,938.22

Finding the Fourth Proportional to 48,518.34, 72,804.78 and 18,938.22

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Solution

The fourth proportional to 48,518.34, 72,804.78 and 18,938.22 is: 28,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,518.34 : 72,804.78 = 18,938.22 : x
  2. Step 2: Convert to fraction form
    48,518.34/72,804.78 = 18,938.22/x
  3. Step 3: Cross multiply
    48,518.34x = 72,804.78 × 18,938.22
  4. Step 4: Simplify right side
    48,518.34x = 1,378,792,940.69
  5. Step 5: Solve for x
    x = 1,378,792,940.69/48,518.34
  6. Step 6: Final answer
    x = 28,417.97

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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.