Home / 55,729.54-83,600.66-20,207.59

Finding the Fourth Proportional to 55,729.54, 83,600.66 and 20,207.59

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Solution

The fourth proportional to 55,729.54, 83,600.66 and 20,207.59 is: 30,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729.54 : 83,600.66 = 20,207.59 : x
  2. Step 2: Convert to fraction form
    55,729.54/83,600.66 = 20,207.59/x
  3. Step 3: Cross multiply
    55,729.54x = 83,600.66 × 20,207.59
  4. Step 4: Simplify right side
    55,729.54x = 1,689,368,059.11
  5. Step 5: Solve for x
    x = 1,689,368,059.11/55,729.54
  6. Step 6: Final answer
    x = 30,313.69

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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.