Home / 55,628.80-83,453.95-18,178.77

Finding the Fourth Proportional to 55,628.80, 83,453.95 and 18,178.77

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Solution

The fourth proportional to 55,628.80, 83,453.95 and 18,178.77 is: 27,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,628.80 : 83,453.95 = 18,178.77 : x
  2. Step 2: Convert to fraction form
    55,628.80/83,453.95 = 18,178.77/x
  3. Step 3: Cross multiply
    55,628.80x = 83,453.95 × 18,178.77
  4. Step 4: Simplify right side
    55,628.80x = 1,517,090,396.06
  5. Step 5: Solve for x
    x = 1,517,090,396.06/55,628.80
  6. Step 6: Final answer
    x = 27,271.67

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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.