Home / 30,885.99-42,592.97-25,489.56

Finding the Fourth Proportional to 30,885.99, 42,592.97 and 25,489.56

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Solution

The fourth proportional to 30,885.99, 42,592.97 and 25,489.56 is: 35,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.99 : 42,592.97 = 25,489.56 : x
  2. Step 2: Convert to fraction form
    30,885.99/42,592.97 = 25,489.56/x
  3. Step 3: Cross multiply
    30,885.99x = 42,592.97 × 25,489.56
  4. Step 4: Simplify right side
    30,885.99x = 1,085,676,287.84
  5. Step 5: Solve for x
    x = 1,085,676,287.84/30,885.99
  6. Step 6: Final answer
    x = 35,151.10

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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.