Home / 48,325.45-72,487.26-19,856.35

Finding the Fourth Proportional to 48,325.45, 72,487.26 and 19,856.35

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Solution

The fourth proportional to 48,325.45, 72,487.26 and 19,856.35 is: 29,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,325.45 : 72,487.26 = 19,856.35 : x
  2. Step 2: Convert to fraction form
    48,325.45/72,487.26 = 19,856.35/x
  3. Step 3: Cross multiply
    48,325.45x = 72,487.26 × 19,856.35
  4. Step 4: Simplify right side
    48,325.45x = 1,439,332,405.10
  5. Step 5: Solve for x
    x = 1,439,332,405.10/48,325.45
  6. Step 6: Final answer
    x = 29,784.15

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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.