Home / 30,563.68-42,177.98-17,825.66

Finding the Fourth Proportional to 30,563.68, 42,177.98 and 17,825.66

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Solution

The fourth proportional to 30,563.68, 42,177.98 and 17,825.66 is: 24,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563.68 : 42,177.98 = 17,825.66 : x
  2. Step 2: Convert to fraction form
    30,563.68/42,177.98 = 17,825.66/x
  3. Step 3: Cross multiply
    30,563.68x = 42,177.98 × 17,825.66
  4. Step 4: Simplify right side
    30,563.68x = 751,850,164.64
  5. Step 5: Solve for x
    x = 751,850,164.64/30,563.68
  6. Step 6: Final answer
    x = 24,599.47

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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.