Home / 53,551.43-73,910.12-30,886.36

Finding the Fourth Proportional to 53,551.43, 73,910.12 and 30,886.36

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Solution

The fourth proportional to 53,551.43, 73,910.12 and 30,886.36 is: 42,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,551.43 : 73,910.12 = 30,886.36 : x
  2. Step 2: Convert to fraction form
    53,551.43/73,910.12 = 30,886.36/x
  3. Step 3: Cross multiply
    53,551.43x = 73,910.12 × 30,886.36
  4. Step 4: Simplify right side
    53,551.43x = 2,282,814,824.24
  5. Step 5: Solve for x
    x = 2,282,814,824.24/53,551.43
  6. Step 6: Final answer
    x = 42,628.46

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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.