Home / 29,091.96-40,141.60-19,545.70

Finding the Fourth Proportional to 29,091.96, 40,141.60 and 19,545.70

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Solution

The fourth proportional to 29,091.96, 40,141.60 and 19,545.70 is: 26,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,091.96 : 40,141.60 = 19,545.70 : x
  2. Step 2: Convert to fraction form
    29,091.96/40,141.60 = 19,545.70/x
  3. Step 3: Cross multiply
    29,091.96x = 40,141.60 × 19,545.70
  4. Step 4: Simplify right side
    29,091.96x = 784,595,671.12
  5. Step 5: Solve for x
    x = 784,595,671.12/29,091.96
  6. Step 6: Final answer
    x = 26,969.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.