Home / 65,641.46-98,476.83-18,890.69

Finding the Fourth Proportional to 65,641.46, 98,476.83 and 18,890.69

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Solution

The fourth proportional to 65,641.46, 98,476.83 and 18,890.69 is: 28,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,641.46 : 98,476.83 = 18,890.69 : x
  2. Step 2: Convert to fraction form
    65,641.46/98,476.83 = 18,890.69/x
  3. Step 3: Cross multiply
    65,641.46x = 98,476.83 × 18,890.69
  4. Step 4: Simplify right side
    65,641.46x = 1,860,294,775.33
  5. Step 5: Solve for x
    x = 1,860,294,775.33/65,641.46
  6. Step 6: Final answer
    x = 28,340.24

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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.