Home / 48,455.72-72,639.78-17,283.68

Finding the Fourth Proportional to 48,455.72, 72,639.78 and 17,283.68

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Solution

The fourth proportional to 48,455.72, 72,639.78 and 17,283.68 is: 25,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,455.72 : 72,639.78 = 17,283.68 : x
  2. Step 2: Convert to fraction form
    48,455.72/72,639.78 = 17,283.68/x
  3. Step 3: Cross multiply
    48,455.72x = 72,639.78 × 17,283.68
  4. Step 4: Simplify right side
    48,455.72x = 1,255,482,712.79
  5. Step 5: Solve for x
    x = 1,255,482,712.79/48,455.72
  6. Step 6: Final answer
    x = 25,909.90

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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.