Home / 38,475.10-57,712.65-31,914.10

Finding the Fourth Proportional to 38,475.10, 57,712.65 and 31,914.10

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Solution

The fourth proportional to 38,475.10, 57,712.65 and 31,914.10 is: 47,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.10 : 57,712.65 = 31,914.10 : x
  2. Step 2: Convert to fraction form
    38,475.10/57,712.65 = 31,914.10/x
  3. Step 3: Cross multiply
    38,475.10x = 57,712.65 × 31,914.10
  4. Step 4: Simplify right side
    38,475.10x = 1,841,847,283.37
  5. Step 5: Solve for x
    x = 1,841,847,283.37/38,475.10
  6. Step 6: Final answer
    x = 47,871.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.