Home / 38,591.04-57,893.45-13,645.58

Finding the Fourth Proportional to 38,591.04, 57,893.45 and 13,645.58

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Solution

The fourth proportional to 38,591.04, 57,893.45 and 13,645.58 is: 20,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,591.04 : 57,893.45 = 13,645.58 : x
  2. Step 2: Convert to fraction form
    38,591.04/57,893.45 = 13,645.58/x
  3. Step 3: Cross multiply
    38,591.04x = 57,893.45 × 13,645.58
  4. Step 4: Simplify right side
    38,591.04x = 789,989,345.76
  5. Step 5: Solve for x
    x = 789,989,345.76/38,591.04
  6. Step 6: Final answer
    x = 20,470.80

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1.5x scale

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.