Home / 53,011.97-73,156.67-30,351.31

Finding the Fourth Proportional to 53,011.97, 73,156.67 and 30,351.31

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Solution

The fourth proportional to 53,011.97, 73,156.67 and 30,351.31 is: 41,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,011.97 : 73,156.67 = 30,351.31 : x
  2. Step 2: Convert to fraction form
    53,011.97/73,156.67 = 30,351.31/x
  3. Step 3: Cross multiply
    53,011.97x = 73,156.67 × 30,351.31
  4. Step 4: Simplify right side
    53,011.97x = 2,220,400,548.91
  5. Step 5: Solve for x
    x = 2,220,400,548.91/53,011.97
  6. Step 6: Final answer
    x = 41,884.89

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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.