Home / 52,202.32-72,039.73-28,329.20

Finding the Fourth Proportional to 52,202.32, 72,039.73 and 28,329.20

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Solution

The fourth proportional to 52,202.32, 72,039.73 and 28,329.20 is: 39,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,202.32 : 72,039.73 = 28,329.20 : x
  2. Step 2: Convert to fraction form
    52,202.32/72,039.73 = 28,329.20/x
  3. Step 3: Cross multiply
    52,202.32x = 72,039.73 × 28,329.20
  4. Step 4: Simplify right side
    52,202.32x = 2,040,827,919.12
  5. Step 5: Solve for x
    x = 2,040,827,919.12/52,202.32
  6. Step 6: Final answer
    x = 39,094.58

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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.