Home / 48,262.80-72,349.38-18,699.96

Finding the Fourth Proportional to 48,262.80, 72,349.38 and 18,699.96

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Solution

The fourth proportional to 48,262.80, 72,349.38 and 18,699.96 is: 28,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,262.80 : 72,349.38 = 18,699.96 : x
  2. Step 2: Convert to fraction form
    48,262.80/72,349.38 = 18,699.96/x
  3. Step 3: Cross multiply
    48,262.80x = 72,349.38 × 18,699.96
  4. Step 4: Simplify right side
    48,262.80x = 1,352,930,512.02
  5. Step 5: Solve for x
    x = 1,352,930,512.02/48,262.80
  6. Step 6: Final answer
    x = 28,032.57

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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.