Home / 33,603.68-46,353.76-21,006.56

Finding the Fourth Proportional to 33,603.68, 46,353.76 and 21,006.56

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Solution

The fourth proportional to 33,603.68, 46,353.76 and 21,006.56 is: 28,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,603.68 : 46,353.76 = 21,006.56 : x
  2. Step 2: Convert to fraction form
    33,603.68/46,353.76 = 21,006.56/x
  3. Step 3: Cross multiply
    33,603.68x = 46,353.76 × 21,006.56
  4. Step 4: Simplify right side
    33,603.68x = 973,732,756.38
  5. Step 5: Solve for x
    x = 973,732,756.38/33,603.68
  6. Step 6: Final answer
    x = 28,976.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.