Home / 48,005.75-72,061.28-19,945.73

Finding the Fourth Proportional to 48,005.75, 72,061.28 and 19,945.73

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Solution

The fourth proportional to 48,005.75, 72,061.28 and 19,945.73 is: 29,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,005.75 : 72,061.28 = 19,945.73 : x
  2. Step 2: Convert to fraction form
    48,005.75/72,061.28 = 19,945.73/x
  3. Step 3: Cross multiply
    48,005.75x = 72,061.28 × 19,945.73
  4. Step 4: Simplify right side
    48,005.75x = 1,437,314,374.30
  5. Step 5: Solve for x
    x = 1,437,314,374.30/48,005.75
  6. Step 6: Final answer
    x = 29,940.47

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1.5x scale

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.