Home / 30,455.24-45,572.11-25,140.83

Finding the Fourth Proportional to 30,455.24, 45,572.11 and 25,140.83

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Solution

The fourth proportional to 30,455.24, 45,572.11 and 25,140.83 is: 37,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455.24 : 45,572.11 = 25,140.83 : x
  2. Step 2: Convert to fraction form
    30,455.24/45,572.11 = 25,140.83/x
  3. Step 3: Cross multiply
    30,455.24x = 45,572.11 × 25,140.83
  4. Step 4: Simplify right side
    30,455.24x = 1,145,720,379.54
  5. Step 5: Solve for x
    x = 1,145,720,379.54/30,455.24
  6. Step 6: Final answer
    x = 37,619.82

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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.