Home / 30,234.87-45,352.51-10,499.63

Finding the Fourth Proportional to 30,234.87, 45,352.51 and 10,499.63

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Solution

The fourth proportional to 30,234.87, 45,352.51 and 10,499.63 is: 15,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.87 : 45,352.51 = 10,499.63 : x
  2. Step 2: Convert to fraction form
    30,234.87/45,352.51 = 10,499.63/x
  3. Step 3: Cross multiply
    30,234.87x = 45,352.51 × 10,499.63
  4. Step 4: Simplify right side
    30,234.87x = 476,184,321.56
  5. Step 5: Solve for x
    x = 476,184,321.56/30,234.87
  6. Step 6: Final answer
    x = 15,749.51

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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.