Home / 51,234.17-70,702.81-28,573.43

Finding the Fourth Proportional to 51,234.17, 70,702.81 and 28,573.43

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Solution

The fourth proportional to 51,234.17, 70,702.81 and 28,573.43 is: 39,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,234.17 : 70,702.81 = 28,573.43 : x
  2. Step 2: Convert to fraction form
    51,234.17/70,702.81 = 28,573.43/x
  3. Step 3: Cross multiply
    51,234.17x = 70,702.81 × 28,573.43
  4. Step 4: Simplify right side
    51,234.17x = 2,020,221,367.39
  5. Step 5: Solve for x
    x = 2,020,221,367.39/51,234.17
  6. Step 6: Final answer
    x = 39,431.14

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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.