Home / 47,258.92-70,839.74-20,976.04

Finding the Fourth Proportional to 47,258.92, 70,839.74 and 20,976.04

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Solution

The fourth proportional to 47,258.92, 70,839.74 and 20,976.04 is: 31,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,258.92 : 70,839.74 = 20,976.04 : x
  2. Step 2: Convert to fraction form
    47,258.92/70,839.74 = 20,976.04/x
  3. Step 3: Cross multiply
    47,258.92x = 70,839.74 × 20,976.04
  4. Step 4: Simplify right side
    47,258.92x = 1,485,937,219.83
  5. Step 5: Solve for x
    x = 1,485,937,219.83/47,258.92
  6. Step 6: Final answer
    x = 31,442.47

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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.