Home / 48,007.60-71,950.65-18,385.90

Finding the Fourth Proportional to 48,007.60, 71,950.65 and 18,385.90

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Solution

The fourth proportional to 48,007.60, 71,950.65 and 18,385.90 is: 27,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,007.60 : 71,950.65 = 18,385.90 : x
  2. Step 2: Convert to fraction form
    48,007.60/71,950.65 = 18,385.90/x
  3. Step 3: Cross multiply
    48,007.60x = 71,950.65 × 18,385.90
  4. Step 4: Simplify right side
    48,007.60x = 1,322,877,455.84
  5. Step 5: Solve for x
    x = 1,322,877,455.84/48,007.60
  6. Step 6: Final answer
    x = 27,555.58

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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.