Home / 49,403.52-74,116.08-19,822.32

Finding the Fourth Proportional to 49,403.52, 74,116.08 and 19,822.32

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Solution

The fourth proportional to 49,403.52, 74,116.08 and 19,822.32 is: 29,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,403.52 : 74,116.08 = 19,822.32 : x
  2. Step 2: Convert to fraction form
    49,403.52/74,116.08 = 19,822.32/x
  3. Step 3: Cross multiply
    49,403.52x = 74,116.08 × 19,822.32
  4. Step 4: Simplify right side
    49,403.52x = 1,469,152,654.91
  5. Step 5: Solve for x
    x = 1,469,152,654.91/49,403.52
  6. Step 6: Final answer
    x = 29,737.81

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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.