Home / 48,023.82-72,027.36-21,722.40

Finding the Fourth Proportional to 48,023.82, 72,027.36 and 21,722.40

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Solution

The fourth proportional to 48,023.82, 72,027.36 and 21,722.40 is: 32,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,023.82 : 72,027.36 = 21,722.40 : x
  2. Step 2: Convert to fraction form
    48,023.82/72,027.36 = 21,722.40/x
  3. Step 3: Cross multiply
    48,023.82x = 72,027.36 × 21,722.40
  4. Step 4: Simplify right side
    48,023.82x = 1,564,607,124.86
  5. Step 5: Solve for x
    x = 1,564,607,124.86/48,023.82
  6. Step 6: Final answer
    x = 32,579.81

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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.