Home / 35,310.40-48,728.69-19,395.18

Finding the Fourth Proportional to 35,310.40, 48,728.69 and 19,395.18

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Solution

The fourth proportional to 35,310.40, 48,728.69 and 19,395.18 is: 26,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.40 : 48,728.69 = 19,395.18 : x
  2. Step 2: Convert to fraction form
    35,310.40/48,728.69 = 19,395.18/x
  3. Step 3: Cross multiply
    35,310.40x = 48,728.69 × 19,395.18
  4. Step 4: Simplify right side
    35,310.40x = 945,101,713.71
  5. Step 5: Solve for x
    x = 945,101,713.71/35,310.40
  6. Step 6: Final answer
    x = 26,765.53

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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.