Home / 38,176.31-57,521.88-31,657.43

Finding the Fourth Proportional to 38,176.31, 57,521.88 and 31,657.43

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Solution

The fourth proportional to 38,176.31, 57,521.88 and 31,657.43 is: 47,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,176.31 : 57,521.88 = 31,657.43 : x
  2. Step 2: Convert to fraction form
    38,176.31/57,521.88 = 31,657.43/x
  3. Step 3: Cross multiply
    38,176.31x = 57,521.88 × 31,657.43
  4. Step 4: Simplify right side
    38,176.31x = 1,820,994,889.57
  5. Step 5: Solve for x
    x = 1,820,994,889.57/38,176.31
  6. Step 6: Final answer
    x = 47,699.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.