Home / 33,916.92-50,875.32-13,140.36

Finding the Fourth Proportional to 33,916.92, 50,875.32 and 13,140.36

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Solution

The fourth proportional to 33,916.92, 50,875.32 and 13,140.36 is: 19,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,916.92 : 50,875.32 = 13,140.36 : x
  2. Step 2: Convert to fraction form
    33,916.92/50,875.32 = 13,140.36/x
  3. Step 3: Cross multiply
    33,916.92x = 50,875.32 × 13,140.36
  4. Step 4: Simplify right side
    33,916.92x = 668,520,019.92
  5. Step 5: Solve for x
    x = 668,520,019.92/33,916.92
  6. Step 6: Final answer
    x = 19,710.52

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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.