Home / 48,371.73-72,585.62-20,289.28

Finding the Fourth Proportional to 48,371.73, 72,585.62 and 20,289.28

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Solution

The fourth proportional to 48,371.73, 72,585.62 and 20,289.28 is: 30,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,371.73 : 72,585.62 = 20,289.28 : x
  2. Step 2: Convert to fraction form
    48,371.73/72,585.62 = 20,289.28/x
  3. Step 3: Cross multiply
    48,371.73x = 72,585.62 × 20,289.28
  4. Step 4: Simplify right side
    48,371.73x = 1,472,709,968.15
  5. Step 5: Solve for x
    x = 1,472,709,968.15/48,371.73
  6. Step 6: Final answer
    x = 30,445.67

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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.