Home / 30,871.70-46,303.97-13,105.02

Finding the Fourth Proportional to 30,871.70, 46,303.97 and 13,105.02

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Solution

The fourth proportional to 30,871.70, 46,303.97 and 13,105.02 is: 19,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871.70 : 46,303.97 = 13,105.02 : x
  2. Step 2: Convert to fraction form
    30,871.70/46,303.97 = 13,105.02/x
  3. Step 3: Cross multiply
    30,871.70x = 46,303.97 × 13,105.02
  4. Step 4: Simplify right side
    30,871.70x = 606,814,387.40
  5. Step 5: Solve for x
    x = 606,814,387.40/30,871.70
  6. Step 6: Final answer
    x = 19,656.01

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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.