Home / 55,930.20-83,919.60-28,228.20

Finding the Fourth Proportional to 55,930.20, 83,919.60 and 28,228.20

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Solution

The fourth proportional to 55,930.20, 83,919.60 and 28,228.20 is: 42,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930.20 : 83,919.60 = 28,228.20 : x
  2. Step 2: Convert to fraction form
    55,930.20/83,919.60 = 28,228.20/x
  3. Step 3: Cross multiply
    55,930.20x = 83,919.60 × 28,228.20
  4. Step 4: Simplify right side
    55,930.20x = 2,368,899,252.72
  5. Step 5: Solve for x
    x = 2,368,899,252.72/55,930.20
  6. Step 6: Final answer
    x = 42,354.56

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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.