Home / 51,515.54-71,094.13-28,853.21

Finding the Fourth Proportional to 51,515.54, 71,094.13 and 28,853.21

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Solution

The fourth proportional to 51,515.54, 71,094.13 and 28,853.21 is: 39,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,515.54 : 71,094.13 = 28,853.21 : x
  2. Step 2: Convert to fraction form
    51,515.54/71,094.13 = 28,853.21/x
  3. Step 3: Cross multiply
    51,515.54x = 71,094.13 × 28,853.21
  4. Step 4: Simplify right side
    51,515.54x = 2,051,294,049.41
  5. Step 5: Solve for x
    x = 2,051,294,049.41/51,515.54
  6. Step 6: Final answer
    x = 39,818.93

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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.