Home / 50,310.18-69,434.10-28,807.92

Finding the Fourth Proportional to 50,310.18, 69,434.10 and 28,807.92

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Solution

The fourth proportional to 50,310.18, 69,434.10 and 28,807.92 is: 39,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,310.18 : 69,434.10 = 28,807.92 : x
  2. Step 2: Convert to fraction form
    50,310.18/69,434.10 = 28,807.92/x
  3. Step 3: Cross multiply
    50,310.18x = 69,434.10 × 28,807.92
  4. Step 4: Simplify right side
    50,310.18x = 2,000,251,998.07
  5. Step 5: Solve for x
    x = 2,000,251,998.07/50,310.18
  6. Step 6: Final answer
    x = 39,758.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.