Home / 30,732.13-42,408.73-17,302.94

Finding the Fourth Proportional to 30,732.13, 42,408.73 and 17,302.94

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Solution

The fourth proportional to 30,732.13, 42,408.73 and 17,302.94 is: 23,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732.13 : 42,408.73 = 17,302.94 : x
  2. Step 2: Convert to fraction form
    30,732.13/42,408.73 = 17,302.94/x
  3. Step 3: Cross multiply
    30,732.13x = 42,408.73 × 17,302.94
  4. Step 4: Simplify right side
    30,732.13x = 733,795,710.67
  5. Step 5: Solve for x
    x = 733,795,710.67/30,732.13
  6. Step 6: Final answer
    x = 23,877.15

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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.