Home / 48,332.70-72,492.67-18,735.30

Finding the Fourth Proportional to 48,332.70, 72,492.67 and 18,735.30

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Solution

The fourth proportional to 48,332.70, 72,492.67 and 18,735.30 is: 28,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,332.70 : 72,492.67 = 18,735.30 : x
  2. Step 2: Convert to fraction form
    48,332.70/72,492.67 = 18,735.30/x
  3. Step 3: Cross multiply
    48,332.70x = 72,492.67 × 18,735.30
  4. Step 4: Simplify right side
    48,332.70x = 1,358,171,943.67
  5. Step 5: Solve for x
    x = 1,358,171,943.67/48,332.70
  6. Step 6: Final answer
    x = 28,100.48

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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.