Home / 38,377.31-57,582.66-13,435.25

Finding the Fourth Proportional to 38,377.31, 57,582.66 and 13,435.25

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Solution

The fourth proportional to 38,377.31, 57,582.66 and 13,435.25 is: 20,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.31 : 57,582.66 = 13,435.25 : x
  2. Step 2: Convert to fraction form
    38,377.31/57,582.66 = 13,435.25/x
  3. Step 3: Cross multiply
    38,377.31x = 57,582.66 × 13,435.25
  4. Step 4: Simplify right side
    38,377.31x = 773,637,432.77
  5. Step 5: Solve for x
    x = 773,637,432.77/38,377.31
  6. Step 6: Final answer
    x = 20,158.72

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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.