Home / 30,005.97-41,406.15-16,577.11

Finding the Fourth Proportional to 30,005.97, 41,406.15 and 16,577.11

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Solution

The fourth proportional to 30,005.97, 41,406.15 and 16,577.11 is: 22,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.97 : 41,406.15 = 16,577.11 : x
  2. Step 2: Convert to fraction form
    30,005.97/41,406.15 = 16,577.11/x
  3. Step 3: Cross multiply
    30,005.97x = 41,406.15 × 16,577.11
  4. Step 4: Simplify right side
    30,005.97x = 686,394,303.23
  5. Step 5: Solve for x
    x = 686,394,303.23/30,005.97
  6. Step 6: Final answer
    x = 22,875.26

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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.