Home / 55,523.07-76,617.29-31,645.28

Finding the Fourth Proportional to 55,523.07, 76,617.29 and 31,645.28

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Solution

The fourth proportional to 55,523.07, 76,617.29 and 31,645.28 is: 43,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,523.07 : 76,617.29 = 31,645.28 : x
  2. Step 2: Convert to fraction form
    55,523.07/76,617.29 = 31,645.28/x
  3. Step 3: Cross multiply
    55,523.07x = 76,617.29 × 31,645.28
  4. Step 4: Simplify right side
    55,523.07x = 2,424,575,865.55
  5. Step 5: Solve for x
    x = 2,424,575,865.55/55,523.07
  6. Step 6: Final answer
    x = 43,667.90

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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.