Home / 48,033.08-72,018.63-19,972.50

Finding the Fourth Proportional to 48,033.08, 72,018.63 and 19,972.50

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Solution

The fourth proportional to 48,033.08, 72,018.63 and 19,972.50 is: 29,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,033.08 : 72,018.63 = 19,972.50 : x
  2. Step 2: Convert to fraction form
    48,033.08/72,018.63 = 19,972.50/x
  3. Step 3: Cross multiply
    48,033.08x = 72,018.63 × 19,972.50
  4. Step 4: Simplify right side
    48,033.08x = 1,438,392,087.68
  5. Step 5: Solve for x
    x = 1,438,392,087.68/48,033.08
  6. Step 6: Final answer
    x = 29,945.86

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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.