Home / 30,285.73-45,400.64-16,255.58

Finding the Fourth Proportional to 30,285.73, 45,400.64 and 16,255.58

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Solution

The fourth proportional to 30,285.73, 45,400.64 and 16,255.58 is: 24,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.73 : 45,400.64 = 16,255.58 : x
  2. Step 2: Convert to fraction form
    30,285.73/45,400.64 = 16,255.58/x
  3. Step 3: Cross multiply
    30,285.73x = 45,400.64 × 16,255.58
  4. Step 4: Simplify right side
    30,285.73x = 738,013,735.57
  5. Step 5: Solve for x
    x = 738,013,735.57/30,285.73
  6. Step 6: Final answer
    x = 24,368.37

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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.