Home / 52,539.93-78,798.96-20,930.49

Finding the Fourth Proportional to 52,539.93, 78,798.96 and 20,930.49

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Solution

The fourth proportional to 52,539.93, 78,798.96 and 20,930.49 is: 31,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,539.93 : 78,798.96 = 20,930.49 : x
  2. Step 2: Convert to fraction form
    52,539.93/78,798.96 = 20,930.49/x
  3. Step 3: Cross multiply
    52,539.93x = 78,798.96 × 20,930.49
  4. Step 4: Simplify right side
    52,539.93x = 1,649,300,844.29
  5. Step 5: Solve for x
    x = 1,649,300,844.29/52,539.93
  6. Step 6: Final answer
    x = 31,391.38

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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.