Home / 55,178.10-82,767.15-28,890.90

Finding the Fourth Proportional to 55,178.10, 82,767.15 and 28,890.90

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Solution

The fourth proportional to 55,178.10, 82,767.15 and 28,890.90 is: 43,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.10 : 82,767.15 = 28,890.90 : x
  2. Step 2: Convert to fraction form
    55,178.10/82,767.15 = 28,890.90/x
  3. Step 3: Cross multiply
    55,178.10x = 82,767.15 × 28,890.90
  4. Step 4: Simplify right side
    55,178.10x = 2,391,217,453.94
  5. Step 5: Solve for x
    x = 2,391,217,453.94/55,178.10
  6. Step 6: Final answer
    x = 43,336.35

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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.