Home / 30,882.80-42,618.30-16,735.52

Finding the Fourth Proportional to 30,882.80, 42,618.30 and 16,735.52

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Solution

The fourth proportional to 30,882.80, 42,618.30 and 16,735.52 is: 23,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.80 : 42,618.30 = 16,735.52 : x
  2. Step 2: Convert to fraction form
    30,882.80/42,618.30 = 16,735.52/x
  3. Step 3: Cross multiply
    30,882.80x = 42,618.30 × 16,735.52
  4. Step 4: Simplify right side
    30,882.80x = 713,239,412.02
  5. Step 5: Solve for x
    x = 713,239,412.02/30,882.80
  6. Step 6: Final answer
    x = 23,095.04

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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.