Home / 55,486.74-83,196.78-21,712.50

Finding the Fourth Proportional to 55,486.74, 83,196.78 and 21,712.50

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Solution

The fourth proportional to 55,486.74, 83,196.78 and 21,712.50 is: 32,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.74 : 83,196.78 = 21,712.50 : x
  2. Step 2: Convert to fraction form
    55,486.74/83,196.78 = 21,712.50/x
  3. Step 3: Cross multiply
    55,486.74x = 83,196.78 × 21,712.50
  4. Step 4: Simplify right side
    55,486.74x = 1,806,410,085.75
  5. Step 5: Solve for x
    x = 1,806,410,085.75/55,486.74
  6. Step 6: Final answer
    x = 32,555.71

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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.