Home / 38,125.37-57,189.88-18,420.50

Finding the Fourth Proportional to 38,125.37, 57,189.88 and 18,420.50

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Solution

The fourth proportional to 38,125.37, 57,189.88 and 18,420.50 is: 27,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,125.37 : 57,189.88 = 18,420.50 : x
  2. Step 2: Convert to fraction form
    38,125.37/57,189.88 = 18,420.50/x
  3. Step 3: Cross multiply
    38,125.37x = 57,189.88 × 18,420.50
  4. Step 4: Simplify right side
    38,125.37x = 1,053,466,184.54
  5. Step 5: Solve for x
    x = 1,053,466,184.54/38,125.37
  6. Step 6: Final answer
    x = 27,631.63

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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.