Home / 30,634.12-42,272.10-17,202.32

Finding the Fourth Proportional to 30,634.12, 42,272.10 and 17,202.32

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Solution

The fourth proportional to 30,634.12, 42,272.10 and 17,202.32 is: 23,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.12 : 42,272.10 = 17,202.32 : x
  2. Step 2: Convert to fraction form
    30,634.12/42,272.10 = 17,202.32/x
  3. Step 3: Cross multiply
    30,634.12x = 42,272.10 × 17,202.32
  4. Step 4: Simplify right side
    30,634.12x = 727,178,191.27
  5. Step 5: Solve for x
    x = 727,178,191.27/30,634.12
  6. Step 6: Final answer
    x = 23,737.53

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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.