Home / 35,180.75-48,549.45-20,276.75

Finding the Fourth Proportional to 35,180.75, 48,549.45 and 20,276.75

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Solution

The fourth proportional to 35,180.75, 48,549.45 and 20,276.75 is: 27,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,180.75 : 48,549.45 = 20,276.75 : x
  2. Step 2: Convert to fraction form
    35,180.75/48,549.45 = 20,276.75/x
  3. Step 3: Cross multiply
    35,180.75x = 48,549.45 × 20,276.75
  4. Step 4: Simplify right side
    35,180.75x = 984,425,060.29
  5. Step 5: Solve for x
    x = 984,425,060.29/35,180.75
  6. Step 6: Final answer
    x = 27,981.92

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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.