Home / 48,005.10-71,946.90-18,383.40

Finding the Fourth Proportional to 48,005.10, 71,946.90 and 18,383.40

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Solution

The fourth proportional to 48,005.10, 71,946.90 and 18,383.40 is: 27,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,005.10 : 71,946.90 = 18,383.40 : x
  2. Step 2: Convert to fraction form
    48,005.10/71,946.90 = 18,383.40/x
  3. Step 3: Cross multiply
    48,005.10x = 71,946.90 × 18,383.40
  4. Step 4: Simplify right side
    48,005.10x = 1,322,628,641.46
  5. Step 5: Solve for x
    x = 1,322,628,641.46/48,005.10
  6. Step 6: Final answer
    x = 27,551.84

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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.