Home / 30,134.52-41,581.79-16,705.65

Finding the Fourth Proportional to 30,134.52, 41,581.79 and 16,705.65

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Solution

The fourth proportional to 30,134.52, 41,581.79 and 16,705.65 is: 23,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.52 : 41,581.79 = 16,705.65 : x
  2. Step 2: Convert to fraction form
    30,134.52/41,581.79 = 16,705.65/x
  3. Step 3: Cross multiply
    30,134.52x = 41,581.79 × 16,705.65
  4. Step 4: Simplify right side
    30,134.52x = 694,650,830.11
  5. Step 5: Solve for x
    x = 694,650,830.11/30,134.52
  6. Step 6: Final answer
    x = 23,051.66

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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.