Home / 35,940.73-53,911.52-20,143.30

Finding the Fourth Proportional to 35,940.73, 53,911.52 and 20,143.30

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Solution

The fourth proportional to 35,940.73, 53,911.52 and 20,143.30 is: 30,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,940.73 : 53,911.52 = 20,143.30 : x
  2. Step 2: Convert to fraction form
    35,940.73/53,911.52 = 20,143.30/x
  3. Step 3: Cross multiply
    35,940.73x = 53,911.52 × 20,143.30
  4. Step 4: Simplify right side
    35,940.73x = 1,085,955,920.82
  5. Step 5: Solve for x
    x = 1,085,955,920.82/35,940.73
  6. Step 6: Final answer
    x = 30,215.19

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1.5x scale

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.