Home / 35,230.40-48,618.35-20,125.06

Finding the Fourth Proportional to 35,230.40, 48,618.35 and 20,125.06

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Solution

The fourth proportional to 35,230.40, 48,618.35 and 20,125.06 is: 27,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.40 : 48,618.35 = 20,125.06 : x
  2. Step 2: Convert to fraction form
    35,230.40/48,618.35 = 20,125.06/x
  3. Step 3: Cross multiply
    35,230.40x = 48,618.35 × 20,125.06
  4. Step 4: Simplify right side
    35,230.40x = 978,447,210.85
  5. Step 5: Solve for x
    x = 978,447,210.85/35,230.40
  6. Step 6: Final answer
    x = 27,772.81

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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.