Home / 30,674.28-46,011.30-13,132.68

Finding the Fourth Proportional to 30,674.28, 46,011.30 and 13,132.68

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Solution

The fourth proportional to 30,674.28, 46,011.30 and 13,132.68 is: 19,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674.28 : 46,011.30 = 13,132.68 : x
  2. Step 2: Convert to fraction form
    30,674.28/46,011.30 = 13,132.68/x
  3. Step 3: Cross multiply
    30,674.28x = 46,011.30 × 13,132.68
  4. Step 4: Simplify right side
    30,674.28x = 604,251,679.28
  5. Step 5: Solve for x
    x = 604,251,679.28/30,674.28
  6. Step 6: Final answer
    x = 19,698.97

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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.