Home / 55,343.13-76,373.16-31,469.82

Finding the Fourth Proportional to 55,343.13, 76,373.16 and 31,469.82

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Solution

The fourth proportional to 55,343.13, 76,373.16 and 31,469.82 is: 43,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.13 : 76,373.16 = 31,469.82 : x
  2. Step 2: Convert to fraction form
    55,343.13/76,373.16 = 31,469.82/x
  3. Step 3: Cross multiply
    55,343.13x = 76,373.16 × 31,469.82
  4. Step 4: Simplify right side
    55,343.13x = 2,403,449,598.03
  5. Step 5: Solve for x
    x = 2,403,449,598.03/55,343.13
  6. Step 6: Final answer
    x = 43,428.15

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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.