Home / 55,503.66-83,222.04-21,729.39

Finding the Fourth Proportional to 55,503.66, 83,222.04 and 21,729.39

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Solution

The fourth proportional to 55,503.66, 83,222.04 and 21,729.39 is: 32,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,503.66 : 83,222.04 = 21,729.39 : x
  2. Step 2: Convert to fraction form
    55,503.66/83,222.04 = 21,729.39/x
  3. Step 3: Cross multiply
    55,503.66x = 83,222.04 × 21,729.39
  4. Step 4: Simplify right side
    55,503.66x = 1,808,364,163.76
  5. Step 5: Solve for x
    x = 1,808,364,163.76/55,503.66
  6. Step 6: Final answer
    x = 32,580.99

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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.