Home / 51,211.17-70,670.43-28,549.44

Finding the Fourth Proportional to 51,211.17, 70,670.43 and 28,549.44

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Solution

The fourth proportional to 51,211.17, 70,670.43 and 28,549.44 is: 39,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.17 : 70,670.43 = 28,549.44 : x
  2. Step 2: Convert to fraction form
    51,211.17/70,670.43 = 28,549.44/x
  3. Step 3: Cross multiply
    51,211.17x = 70,670.43 × 28,549.44
  4. Step 4: Simplify right side
    51,211.17x = 2,017,601,201.06
  5. Step 5: Solve for x
    x = 2,017,601,201.06/51,211.17
  6. Step 6: Final answer
    x = 39,397.68

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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.