Home / 30,666.72-46,003.86-10,947.36

Finding the Fourth Proportional to 30,666.72, 46,003.86 and 10,947.36

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Solution

The fourth proportional to 30,666.72, 46,003.86 and 10,947.36 is: 16,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,666.72 : 46,003.86 = 10,947.36 : x
  2. Step 2: Convert to fraction form
    30,666.72/46,003.86 = 10,947.36/x
  3. Step 3: Cross multiply
    30,666.72x = 46,003.86 × 10,947.36
  4. Step 4: Simplify right side
    30,666.72x = 503,620,816.81
  5. Step 5: Solve for x
    x = 503,620,816.81/30,666.72
  6. Step 6: Final answer
    x = 16,422.39

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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.