Home / 30,685.20-46,034.20-17,526.80

Finding the Fourth Proportional to 30,685.20, 46,034.20 and 17,526.80

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Solution

The fourth proportional to 30,685.20, 46,034.20 and 17,526.80 is: 26,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,685.20 : 46,034.20 = 17,526.80 : x
  2. Step 2: Convert to fraction form
    30,685.20/46,034.20 = 17,526.80/x
  3. Step 3: Cross multiply
    30,685.20x = 46,034.20 × 17,526.80
  4. Step 4: Simplify right side
    30,685.20x = 806,832,216.56
  5. Step 5: Solve for x
    x = 806,832,216.56/30,685.20
  6. Step 6: Final answer
    x = 26,293.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.