Home / 30,083.58-45,166.78-15,302.50

Finding the Fourth Proportional to 30,083.58, 45,166.78 and 15,302.50

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Solution

The fourth proportional to 30,083.58, 45,166.78 and 15,302.50 is: 22,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083.58 : 45,166.78 = 15,302.50 : x
  2. Step 2: Convert to fraction form
    30,083.58/45,166.78 = 15,302.50/x
  3. Step 3: Cross multiply
    30,083.58x = 45,166.78 × 15,302.50
  4. Step 4: Simplify right side
    30,083.58x = 691,164,650.95
  5. Step 5: Solve for x
    x = 691,164,650.95/30,083.58
  6. Step 6: Final answer
    x = 22,974.81

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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.