Home / 48,577.16-72,865.73-18,974.23

Finding the Fourth Proportional to 48,577.16, 72,865.73 and 18,974.23

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Solution

The fourth proportional to 48,577.16, 72,865.73 and 18,974.23 is: 28,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,577.16 : 72,865.73 = 18,974.23 : x
  2. Step 2: Convert to fraction form
    48,577.16/72,865.73 = 18,974.23/x
  3. Step 3: Cross multiply
    48,577.16x = 72,865.73 × 18,974.23
  4. Step 4: Simplify right side
    48,577.16x = 1,382,571,258.66
  5. Step 5: Solve for x
    x = 1,382,571,258.66/48,577.16
  6. Step 6: Final answer
    x = 28,461.34

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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.