Home / 38,270.40-57,405.50-10,190.44

Finding the Fourth Proportional to 38,270.40, 57,405.50 and 10,190.44

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Solution

The fourth proportional to 38,270.40, 57,405.50 and 10,190.44 is: 15,285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,270.40 : 57,405.50 = 10,190.44 : x
  2. Step 2: Convert to fraction form
    38,270.40/57,405.50 = 10,190.44/x
  3. Step 3: Cross multiply
    38,270.40x = 57,405.50 × 10,190.44
  4. Step 4: Simplify right side
    38,270.40x = 584,987,303.42
  5. Step 5: Solve for x
    x = 584,987,303.42/38,270.40
  6. Step 6: Final answer
    x = 15,285.63

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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.