Home / 53,414.07-73,689.14-30,747.63

Finding the Fourth Proportional to 53,414.07, 73,689.14 and 30,747.63

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Solution

The fourth proportional to 53,414.07, 73,689.14 and 30,747.63 is: 42,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,414.07 : 73,689.14 = 30,747.63 : x
  2. Step 2: Convert to fraction form
    53,414.07/73,689.14 = 30,747.63/x
  3. Step 3: Cross multiply
    53,414.07x = 73,689.14 × 30,747.63
  4. Step 4: Simplify right side
    53,414.07x = 2,265,766,258.00
  5. Step 5: Solve for x
    x = 2,265,766,258.00/53,414.07
  6. Step 6: Final answer
    x = 42,418.90

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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.