Home / 49,808.10-68,727.29-28,000.07

Finding the Fourth Proportional to 49,808.10, 68,727.29 and 28,000.07

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Solution

The fourth proportional to 49,808.10, 68,727.29 and 28,000.07 is: 38,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,808.10 : 68,727.29 = 28,000.07 : x
  2. Step 2: Convert to fraction form
    49,808.10/68,727.29 = 28,000.07/x
  3. Step 3: Cross multiply
    49,808.10x = 68,727.29 × 28,000.07
  4. Step 4: Simplify right side
    49,808.10x = 1,924,368,930.91
  5. Step 5: Solve for x
    x = 1,924,368,930.91/49,808.10
  6. Step 6: Final answer
    x = 38,635.66

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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.