Home / 45,818.08-68,610.48-30,188.32

Finding the Fourth Proportional to 45,818.08, 68,610.48 and 30,188.32

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Solution

The fourth proportional to 45,818.08, 68,610.48 and 30,188.32 is: 45,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,818.08 : 68,610.48 = 30,188.32 : x
  2. Step 2: Convert to fraction form
    45,818.08/68,610.48 = 30,188.32/x
  3. Step 3: Cross multiply
    45,818.08x = 68,610.48 × 30,188.32
  4. Step 4: Simplify right side
    45,818.08x = 2,071,235,125.59
  5. Step 5: Solve for x
    x = 2,071,235,125.59/45,818.08
  6. Step 6: Final answer
    x = 45,205.63

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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.