Home / 48,938.10-73,409.94-13,875

Finding the Fourth Proportional to 48,938.10, 73,409.94 and 13,875

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Solution

The fourth proportional to 48,938.10, 73,409.94 and 13,875 is: 20,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,938.10 : 73,409.94 = 13,875 : x
  2. Step 2: Convert to fraction form
    48,938.10/73,409.94 = 13,875/x
  3. Step 3: Cross multiply
    48,938.10x = 73,409.94 × 13,875
  4. Step 4: Simplify right side
    48,938.10x = 1,018,562,917.50
  5. Step 5: Solve for x
    x = 1,018,562,917.50/48,938.10
  6. Step 6: Final answer
    x = 20,813.29

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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.