Home / 48,258.45-72,388.22-20,182.77

Finding the Fourth Proportional to 48,258.45, 72,388.22 and 20,182.77

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Solution

The fourth proportional to 48,258.45, 72,388.22 and 20,182.77 is: 30,274.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,258.45 : 72,388.22 = 20,182.77 : x
  2. Step 2: Convert to fraction form
    48,258.45/72,388.22 = 20,182.77/x
  3. Step 3: Cross multiply
    48,258.45x = 72,388.22 × 20,182.77
  4. Step 4: Simplify right side
    48,258.45x = 1,460,994,694.06
  5. Step 5: Solve for x
    x = 1,460,994,694.06/48,258.45
  6. Step 6: Final answer
    x = 30,274.38

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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.