Home / 60,499.76-90,749.68-18,950

Finding the Fourth Proportional to 60,499.76, 90,749.68 and 18,950

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Solution

The fourth proportional to 60,499.76, 90,749.68 and 18,950 is: 28,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,499.76 : 90,749.68 = 18,950 : x
  2. Step 2: Convert to fraction form
    60,499.76/90,749.68 = 18,950/x
  3. Step 3: Cross multiply
    60,499.76x = 90,749.68 × 18,950
  4. Step 4: Simplify right side
    60,499.76x = 1,719,706,436.00
  5. Step 5: Solve for x
    x = 1,719,706,436.00/60,499.76
  6. Step 6: Final answer
    x = 28,425.01

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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.