Home / 30,255.02-41,748.78-16,824.14

Finding the Fourth Proportional to 30,255.02, 41,748.78 and 16,824.14

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Solution

The fourth proportional to 30,255.02, 41,748.78 and 16,824.14 is: 23,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.02 : 41,748.78 = 16,824.14 : x
  2. Step 2: Convert to fraction form
    30,255.02/41,748.78 = 16,824.14/x
  3. Step 3: Cross multiply
    30,255.02x = 41,748.78 × 16,824.14
  4. Step 4: Simplify right side
    30,255.02x = 702,387,319.55
  5. Step 5: Solve for x
    x = 702,387,319.55/30,255.02
  6. Step 6: Final answer
    x = 23,215.56

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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.