Home / 30,142.11-41,595.69-17,395.32

Finding the Fourth Proportional to 30,142.11, 41,595.69 and 17,395.32

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Solution

The fourth proportional to 30,142.11, 41,595.69 and 17,395.32 is: 24,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,142.11 : 41,595.69 = 17,395.32 : x
  2. Step 2: Convert to fraction form
    30,142.11/41,595.69 = 17,395.32/x
  3. Step 3: Cross multiply
    30,142.11x = 41,595.69 × 17,395.32
  4. Step 4: Simplify right side
    30,142.11x = 723,570,338.17
  5. Step 5: Solve for x
    x = 723,570,338.17/30,142.11
  6. Step 6: Final answer
    x = 24,005.30

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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.