Home / 30,174.12-41,642.30-17,429.58

Finding the Fourth Proportional to 30,174.12, 41,642.30 and 17,429.58

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Solution

The fourth proportional to 30,174.12, 41,642.30 and 17,429.58 is: 24,053.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.12 : 41,642.30 = 17,429.58 : x
  2. Step 2: Convert to fraction form
    30,174.12/41,642.30 = 17,429.58/x
  3. Step 3: Cross multiply
    30,174.12x = 41,642.30 × 17,429.58
  4. Step 4: Simplify right side
    30,174.12x = 725,807,842.81
  5. Step 5: Solve for x
    x = 725,807,842.81/30,174.12
  6. Step 6: Final answer
    x = 24,053.99

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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.