Home / 35,512.14-49,020.78-21,362.28

Finding the Fourth Proportional to 35,512.14, 49,020.78 and 21,362.28

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Solution

The fourth proportional to 35,512.14, 49,020.78 and 21,362.28 is: 29,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.14 : 49,020.78 = 21,362.28 : x
  2. Step 2: Convert to fraction form
    35,512.14/49,020.78 = 21,362.28/x
  3. Step 3: Cross multiply
    35,512.14x = 49,020.78 × 21,362.28
  4. Step 4: Simplify right side
    35,512.14x = 1,047,195,628.18
  5. Step 5: Solve for x
    x = 1,047,195,628.18/35,512.14
  6. Step 6: Final answer
    x = 29,488.38

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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.