Home / 65,511.96-98,281.98-21,141.24

Finding the Fourth Proportional to 65,511.96, 98,281.98 and 21,141.24

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Solution

The fourth proportional to 65,511.96, 98,281.98 and 21,141.24 is: 31,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,511.96 : 98,281.98 = 21,141.24 : x
  2. Step 2: Convert to fraction form
    65,511.96/98,281.98 = 21,141.24/x
  3. Step 3: Cross multiply
    65,511.96x = 98,281.98 × 21,141.24
  4. Step 4: Simplify right side
    65,511.96x = 2,077,802,926.86
  5. Step 5: Solve for x
    x = 2,077,802,926.86/65,511.96
  6. Step 6: Final answer
    x = 31,716.39

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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.