Home / 55,493.88-76,588.32-31,299.48

Finding the Fourth Proportional to 55,493.88, 76,588.32 and 31,299.48

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Solution

The fourth proportional to 55,493.88, 76,588.32 and 31,299.48 is: 43,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,493.88 : 76,588.32 = 31,299.48 : x
  2. Step 2: Convert to fraction form
    55,493.88/76,588.32 = 31,299.48/x
  3. Step 3: Cross multiply
    55,493.88x = 76,588.32 × 31,299.48
  4. Step 4: Simplify right side
    55,493.88x = 2,397,174,590.07
  5. Step 5: Solve for x
    x = 2,397,174,590.07/55,493.88
  6. Step 6: Final answer
    x = 43,197.10

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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.