Home / 30,400.18-45,516.39-15,577.54

Finding the Fourth Proportional to 30,400.18, 45,516.39 and 15,577.54

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Solution

The fourth proportional to 30,400.18, 45,516.39 and 15,577.54 is: 23,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.18 : 45,516.39 = 15,577.54 : x
  2. Step 2: Convert to fraction form
    30,400.18/45,516.39 = 15,577.54/x
  3. Step 3: Cross multiply
    30,400.18x = 45,516.39 × 15,577.54
  4. Step 4: Simplify right side
    30,400.18x = 709,033,385.88
  5. Step 5: Solve for x
    x = 709,033,385.88/30,400.18
  6. Step 6: Final answer
    x = 23,323.33

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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.