Home / 30,036.43-41,451.45-19,947.48

Finding the Fourth Proportional to 30,036.43, 41,451.45 and 19,947.48

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Solution

The fourth proportional to 30,036.43, 41,451.45 and 19,947.48 is: 27,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.43 : 41,451.45 = 19,947.48 : x
  2. Step 2: Convert to fraction form
    30,036.43/41,451.45 = 19,947.48/x
  3. Step 3: Cross multiply
    30,036.43x = 41,451.45 × 19,947.48
  4. Step 4: Simplify right side
    30,036.43x = 826,851,969.85
  5. Step 5: Solve for x
    x = 826,851,969.85/30,036.43
  6. Step 6: Final answer
    x = 27,528.30

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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.