Home / 55,205.64-82,818.22-20,168.28

Finding the Fourth Proportional to 55,205.64, 82,818.22 and 20,168.28

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Solution

The fourth proportional to 55,205.64, 82,818.22 and 20,168.28 is: 30,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,205.64 : 82,818.22 = 20,168.28 : x
  2. Step 2: Convert to fraction form
    55,205.64/82,818.22 = 20,168.28/x
  3. Step 3: Cross multiply
    55,205.64x = 82,818.22 × 20,168.28
  4. Step 4: Simplify right side
    55,205.64x = 1,670,301,050.06
  5. Step 5: Solve for x
    x = 1,670,301,050.06/55,205.64
  6. Step 6: Final answer
    x = 30,255.99

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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.