Home / 52,358.32-78,552.96-30,187.60

Finding the Fourth Proportional to 52,358.32, 78,552.96 and 30,187.60

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Solution

The fourth proportional to 52,358.32, 78,552.96 and 30,187.60 is: 45,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,358.32 : 78,552.96 = 30,187.60 : x
  2. Step 2: Convert to fraction form
    52,358.32/78,552.96 = 30,187.60/x
  3. Step 3: Cross multiply
    52,358.32x = 78,552.96 × 30,187.60
  4. Step 4: Simplify right side
    52,358.32x = 2,371,325,335.30
  5. Step 5: Solve for x
    x = 2,371,325,335.30/52,358.32
  6. Step 6: Final answer
    x = 45,290.33

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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.