Home / 48,537.63-72,815.63-18,953.60

Finding the Fourth Proportional to 48,537.63, 72,815.63 and 18,953.60

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Solution

The fourth proportional to 48,537.63, 72,815.63 and 18,953.60 is: 28,433.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,537.63 : 72,815.63 = 18,953.60 : x
  2. Step 2: Convert to fraction form
    48,537.63/72,815.63 = 18,953.60/x
  3. Step 3: Cross multiply
    48,537.63x = 72,815.63 × 18,953.60
  4. Step 4: Simplify right side
    48,537.63x = 1,380,117,865.92
  5. Step 5: Solve for x
    x = 1,380,117,865.92/48,537.63
  6. Step 6: Final answer
    x = 28,433.98

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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.