Home / 35,180.25-48,548.76-20,276.25

Finding the Fourth Proportional to 35,180.25, 48,548.76 and 20,276.25

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Solution

The fourth proportional to 35,180.25, 48,548.76 and 20,276.25 is: 27,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,180.25 : 48,548.76 = 20,276.25 : x
  2. Step 2: Convert to fraction form
    35,180.25/48,548.76 = 20,276.25/x
  3. Step 3: Cross multiply
    35,180.25x = 48,548.76 × 20,276.25
  4. Step 4: Simplify right side
    35,180.25x = 984,386,794.95
  5. Step 5: Solve for x
    x = 984,386,794.95/35,180.25
  6. Step 6: Final answer
    x = 27,981.23

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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.