Home / 38,499.12-57,750.30-18,795.06

Finding the Fourth Proportional to 38,499.12, 57,750.30 and 18,795.06

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Solution

The fourth proportional to 38,499.12, 57,750.30 and 18,795.06 is: 28,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,499.12 : 57,750.30 = 18,795.06 : x
  2. Step 2: Convert to fraction form
    38,499.12/57,750.30 = 18,795.06/x
  3. Step 3: Cross multiply
    38,499.12x = 57,750.30 × 18,795.06
  4. Step 4: Simplify right side
    38,499.12x = 1,085,420,353.52
  5. Step 5: Solve for x
    x = 1,085,420,353.52/38,499.12
  6. Step 6: Final answer
    x = 28,193.38

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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.