Home / 48,027.50-72,044.71-18,445.34

Finding the Fourth Proportional to 48,027.50, 72,044.71 and 18,445.34

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Solution

The fourth proportional to 48,027.50, 72,044.71 and 18,445.34 is: 27,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,027.50 : 72,044.71 = 18,445.34 : x
  2. Step 2: Convert to fraction form
    48,027.50/72,044.71 = 18,445.34/x
  3. Step 3: Cross multiply
    48,027.50x = 72,044.71 × 18,445.34
  4. Step 4: Simplify right side
    48,027.50x = 1,328,889,049.75
  5. Step 5: Solve for x
    x = 1,328,889,049.75/48,027.50
  6. Step 6: Final answer
    x = 27,669.33

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1.5x scale

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.