Home / 30,881.64-42,618.60-17,453.52

Finding the Fourth Proportional to 30,881.64, 42,618.60 and 17,453.52

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Solution

The fourth proportional to 30,881.64, 42,618.60 and 17,453.52 is: 24,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.64 : 42,618.60 = 17,453.52 : x
  2. Step 2: Convert to fraction form
    30,881.64/42,618.60 = 17,453.52/x
  3. Step 3: Cross multiply
    30,881.64x = 42,618.60 × 17,453.52
  4. Step 4: Simplify right side
    30,881.64x = 743,844,587.47
  5. Step 5: Solve for x
    x = 743,844,587.47/30,881.64
  6. Step 6: Final answer
    x = 24,086.95

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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.