Home / 30,357.28-45,769.50-29,812.96

Finding the Fourth Proportional to 30,357.28, 45,769.50 and 29,812.96

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Solution

The fourth proportional to 30,357.28, 45,769.50 and 29,812.96 is: 44,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.28 : 45,769.50 = 29,812.96 : x
  2. Step 2: Convert to fraction form
    30,357.28/45,769.50 = 29,812.96/x
  3. Step 3: Cross multiply
    30,357.28x = 45,769.50 × 29,812.96
  4. Step 4: Simplify right side
    30,357.28x = 1,364,524,043.87
  5. Step 5: Solve for x
    x = 1,364,524,043.87/30,357.28
  6. Step 6: Final answer
    x = 44,948.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.