Home / 55,640.37-83,465.70-18,200.66

Finding the Fourth Proportional to 55,640.37, 83,465.70 and 18,200.66

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Solution

The fourth proportional to 55,640.37, 83,465.70 and 18,200.66 is: 27,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,640.37 : 83,465.70 = 18,200.66 : x
  2. Step 2: Convert to fraction form
    55,640.37/83,465.70 = 18,200.66/x
  3. Step 3: Cross multiply
    55,640.37x = 83,465.70 × 18,200.66
  4. Step 4: Simplify right side
    55,640.37x = 1,519,130,410.03
  5. Step 5: Solve for x
    x = 1,519,130,410.03/55,640.37
  6. Step 6: Final answer
    x = 27,302.67

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1.5x scale

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.