Home / 47,905.12-66,111.11-26,684.40

Finding the Fourth Proportional to 47,905.12, 66,111.11 and 26,684.40

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Solution

The fourth proportional to 47,905.12, 66,111.11 and 26,684.40 is: 36,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.12 : 66,111.11 = 26,684.40 : x
  2. Step 2: Convert to fraction form
    47,905.12/66,111.11 = 26,684.40/x
  3. Step 3: Cross multiply
    47,905.12x = 66,111.11 × 26,684.40
  4. Step 4: Simplify right side
    47,905.12x = 1,764,135,303.68
  5. Step 5: Solve for x
    x = 1,764,135,303.68/47,905.12
  6. Step 6: Final answer
    x = 36,825.61

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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.