Home / 35,246.13-48,642.24-20,138.46

Finding the Fourth Proportional to 35,246.13, 48,642.24 and 20,138.46

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Solution

The fourth proportional to 35,246.13, 48,642.24 and 20,138.46 is: 27,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,246.13 : 48,642.24 = 20,138.46 : x
  2. Step 2: Convert to fraction form
    35,246.13/48,642.24 = 20,138.46/x
  3. Step 3: Cross multiply
    35,246.13x = 48,642.24 × 20,138.46
  4. Step 4: Simplify right side
    35,246.13x = 979,579,804.55
  5. Step 5: Solve for x
    x = 979,579,804.55/35,246.13
  6. Step 6: Final answer
    x = 27,792.55

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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.