Home / 30,934.00-42,688.95-16,786.85

Finding the Fourth Proportional to 30,934.00, 42,688.95 and 16,786.85

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Solution

The fourth proportional to 30,934.00, 42,688.95 and 16,786.85 is: 23,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,934.00 : 42,688.95 = 16,786.85 : x
  2. Step 2: Convert to fraction form
    30,934.00/42,688.95 = 16,786.85/x
  3. Step 3: Cross multiply
    30,934.00x = 42,688.95 × 16,786.85
  4. Step 4: Simplify right side
    30,934.00x = 716,612,771.13
  5. Step 5: Solve for x
    x = 716,612,771.13/30,934.00
  6. Step 6: Final answer
    x = 23,165.86

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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.