Home / 30,941.76-42,699.68-16,794.60

Finding the Fourth Proportional to 30,941.76, 42,699.68 and 16,794.60

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Solution

The fourth proportional to 30,941.76, 42,699.68 and 16,794.60 is: 23,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.76 : 42,699.68 = 16,794.60 : x
  2. Step 2: Convert to fraction form
    30,941.76/42,699.68 = 16,794.60/x
  3. Step 3: Cross multiply
    30,941.76x = 42,699.68 × 16,794.60
  4. Step 4: Simplify right side
    30,941.76x = 717,124,045.73
  5. Step 5: Solve for x
    x = 717,124,045.73/30,941.76
  6. Step 6: Final answer
    x = 23,176.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.