Home / 58,748.14-81,072.21-31,890.88

Finding the Fourth Proportional to 58,748.14, 81,072.21 and 31,890.88

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Solution

The fourth proportional to 58,748.14, 81,072.21 and 31,890.88 is: 44,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,748.14 : 81,072.21 = 31,890.88 : x
  2. Step 2: Convert to fraction form
    58,748.14/81,072.21 = 31,890.88/x
  3. Step 3: Cross multiply
    58,748.14x = 81,072.21 × 31,890.88
  4. Step 4: Simplify right side
    58,748.14x = 2,585,464,120.44
  5. Step 5: Solve for x
    x = 2,585,464,120.44/58,748.14
  6. Step 6: Final answer
    x = 44,009.29

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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.