Home / 51,905-71,633.24-29,248.44

Finding the Fourth Proportional to 51,905, 71,633.24 and 29,248.44

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Solution

The fourth proportional to 51,905, 71,633.24 and 29,248.44 is: 40,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905 : 71,633.24 = 29,248.44 : x
  2. Step 2: Convert to fraction form
    51,905/71,633.24 = 29,248.44/x
  3. Step 3: Cross multiply
    51,905x = 71,633.24 × 29,248.44
  4. Step 4: Simplify right side
    51,905x = 2,095,160,522.15
  5. Step 5: Solve for x
    x = 2,095,160,522.15/51,905
  6. Step 6: Final answer
    x = 40,365.29

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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.