Home / 55,738.60-83,545-27,678.68

Finding the Fourth Proportional to 55,738.60, 83,545 and 27,678.68

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Solution

The fourth proportional to 55,738.60, 83,545 and 27,678.68 is: 41,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,738.60 : 83,545 = 27,678.68 : x
  2. Step 2: Convert to fraction form
    55,738.60/83,545 = 27,678.68/x
  3. Step 3: Cross multiply
    55,738.60x = 83,545 × 27,678.68
  4. Step 4: Simplify right side
    55,738.60x = 2,312,415,320.60
  5. Step 5: Solve for x
    x = 2,312,415,320.60/55,738.60
  6. Step 6: Final answer
    x = 41,486.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.