Home / 30,941.76-42,699.68-16,794.62

Finding the Fourth Proportional to 30,941.76, 42,699.68 and 16,794.62

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Solution

The fourth proportional to 30,941.76, 42,699.68 and 16,794.62 is: 23,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.76 : 42,699.68 = 16,794.62 : x
  2. Step 2: Convert to fraction form
    30,941.76/42,699.68 = 16,794.62/x
  3. Step 3: Cross multiply
    30,941.76x = 42,699.68 × 16,794.62
  4. Step 4: Simplify right side
    30,941.76x = 717,124,602.25
  5. Step 5: Solve for x
    x = 717,124,602.25/30,941.76
  6. Step 6: Final answer
    x = 23,176.59

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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.