Home / 52,309.56-78,464.36-21,166.68

Finding the Fourth Proportional to 52,309.56, 78,464.36 and 21,166.68

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Solution

The fourth proportional to 52,309.56, 78,464.36 and 21,166.68 is: 31,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,309.56 : 78,464.36 = 21,166.68 : x
  2. Step 2: Convert to fraction form
    52,309.56/78,464.36 = 21,166.68/x
  3. Step 3: Cross multiply
    52,309.56x = 78,464.36 × 21,166.68
  4. Step 4: Simplify right side
    52,309.56x = 1,660,829,999.52
  5. Step 5: Solve for x
    x = 1,660,829,999.52/52,309.56
  6. Step 6: Final answer
    x = 31,750.03

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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.