Home / 30,944.78-46,409.73-14,288.81

Finding the Fourth Proportional to 30,944.78, 46,409.73 and 14,288.81

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Solution

The fourth proportional to 30,944.78, 46,409.73 and 14,288.81 is: 21,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,944.78 : 46,409.73 = 14,288.81 : x
  2. Step 2: Convert to fraction form
    30,944.78/46,409.73 = 14,288.81/x
  3. Step 3: Cross multiply
    30,944.78x = 46,409.73 × 14,288.81
  4. Step 4: Simplify right side
    30,944.78x = 663,139,814.12
  5. Step 5: Solve for x
    x = 663,139,814.12/30,944.78
  6. Step 6: Final answer
    x = 21,429.78

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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.