Home / 51,191.14-70,644.13-28,531.59

Finding the Fourth Proportional to 51,191.14, 70,644.13 and 28,531.59

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Solution

The fourth proportional to 51,191.14, 70,644.13 and 28,531.59 is: 39,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191.14 : 70,644.13 = 28,531.59 : x
  2. Step 2: Convert to fraction form
    51,191.14/70,644.13 = 28,531.59/x
  3. Step 3: Cross multiply
    51,191.14x = 70,644.13 × 28,531.59
  4. Step 4: Simplify right side
    51,191.14x = 2,015,589,653.00
  5. Step 5: Solve for x
    x = 2,015,589,653.00/51,191.14
  6. Step 6: Final answer
    x = 39,373.80

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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.