Home / 55,097.99-76,036.83-31,223.87

Finding the Fourth Proportional to 55,097.99, 76,036.83 and 31,223.87

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Solution

The fourth proportional to 55,097.99, 76,036.83 and 31,223.87 is: 43,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,097.99 : 76,036.83 = 31,223.87 : x
  2. Step 2: Convert to fraction form
    55,097.99/76,036.83 = 31,223.87/x
  3. Step 3: Cross multiply
    55,097.99x = 76,036.83 × 31,223.87
  4. Step 4: Simplify right side
    55,097.99x = 2,374,164,095.13
  5. Step 5: Solve for x
    x = 2,374,164,095.13/55,097.99
  6. Step 6: Final answer
    x = 43,089.85

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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.