Home / 30,206.13-41,685.02-16,778.62

Finding the Fourth Proportional to 30,206.13, 41,685.02 and 16,778.62

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Solution

The fourth proportional to 30,206.13, 41,685.02 and 16,778.62 is: 23,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.13 : 41,685.02 = 16,778.62 : x
  2. Step 2: Convert to fraction form
    30,206.13/41,685.02 = 16,778.62/x
  3. Step 3: Cross multiply
    30,206.13x = 41,685.02 × 16,778.62
  4. Step 4: Simplify right side
    30,206.13x = 699,417,110.27
  5. Step 5: Solve for x
    x = 699,417,110.27/30,206.13
  6. Step 6: Final answer
    x = 23,154.81

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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.