Home / 30,491.01-42,077.43-17,062.83

Finding the Fourth Proportional to 30,491.01, 42,077.43 and 17,062.83

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Solution

The fourth proportional to 30,491.01, 42,077.43 and 17,062.83 is: 23,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,491.01 : 42,077.43 = 17,062.83 : x
  2. Step 2: Convert to fraction form
    30,491.01/42,077.43 = 17,062.83/x
  3. Step 3: Cross multiply
    30,491.01x = 42,077.43 × 17,062.83
  4. Step 4: Simplify right side
    30,491.01x = 717,960,034.93
  5. Step 5: Solve for x
    x = 717,960,034.93/30,491.01
  6. Step 6: Final answer
    x = 23,546.61

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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.