Home / 52,985.40-73,120.05-29,112.54

Finding the Fourth Proportional to 52,985.40, 73,120.05 and 29,112.54

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Solution

The fourth proportional to 52,985.40, 73,120.05 and 29,112.54 is: 40,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,985.40 : 73,120.05 = 29,112.54 : x
  2. Step 2: Convert to fraction form
    52,985.40/73,120.05 = 29,112.54/x
  3. Step 3: Cross multiply
    52,985.40x = 73,120.05 × 29,112.54
  4. Step 4: Simplify right side
    52,985.40x = 2,128,710,380.43
  5. Step 5: Solve for x
    x = 2,128,710,380.43/52,985.40
  6. Step 6: Final answer
    x = 40,175.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.