Home / 49,887.08-74,808.60-18,700.46

Finding the Fourth Proportional to 49,887.08, 74,808.60 and 18,700.46

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Solution

The fourth proportional to 49,887.08, 74,808.60 and 18,700.46 is: 28,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,887.08 : 74,808.60 = 18,700.46 : x
  2. Step 2: Convert to fraction form
    49,887.08/74,808.60 = 18,700.46/x
  3. Step 3: Cross multiply
    49,887.08x = 74,808.60 × 18,700.46
  4. Step 4: Simplify right side
    49,887.08x = 1,398,955,231.96
  5. Step 5: Solve for x
    x = 1,398,955,231.96/49,887.08
  6. Step 6: Final answer
    x = 28,042.44

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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.