Home / 53,040.51-73,185.75-31,812.03

Finding the Fourth Proportional to 53,040.51, 73,185.75 and 31,812.03

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Solution

The fourth proportional to 53,040.51, 73,185.75 and 31,812.03 is: 43,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,040.51 : 73,185.75 = 31,812.03 : x
  2. Step 2: Convert to fraction form
    53,040.51/73,185.75 = 31,812.03/x
  3. Step 3: Cross multiply
    53,040.51x = 73,185.75 × 31,812.03
  4. Step 4: Simplify right side
    53,040.51x = 2,328,187,274.57
  5. Step 5: Solve for x
    x = 2,328,187,274.57/53,040.51
  6. Step 6: Final answer
    x = 43,894.51

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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.