Home / 30,511.72-45,512.21-25,525.48

Finding the Fourth Proportional to 30,511.72, 45,512.21 and 25,525.48

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Solution

The fourth proportional to 30,511.72, 45,512.21 and 25,525.48 is: 38,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,511.72 : 45,512.21 = 25,525.48 : x
  2. Step 2: Convert to fraction form
    30,511.72/45,512.21 = 25,525.48/x
  3. Step 3: Cross multiply
    30,511.72x = 45,512.21 × 25,525.48
  4. Step 4: Simplify right side
    30,511.72x = 1,161,721,006.11
  5. Step 5: Solve for x
    x = 1,161,721,006.11/30,511.72
  6. Step 6: Final answer
    x = 38,074.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.