Home / 35,251.49-48,646.18-20,143.19

Finding the Fourth Proportional to 35,251.49, 48,646.18 and 20,143.19

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Solution

The fourth proportional to 35,251.49, 48,646.18 and 20,143.19 is: 27,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,251.49 : 48,646.18 = 20,143.19 : x
  2. Step 2: Convert to fraction form
    35,251.49/48,646.18 = 20,143.19/x
  3. Step 3: Cross multiply
    35,251.49x = 48,646.18 × 20,143.19
  4. Step 4: Simplify right side
    35,251.49x = 979,889,246.51
  5. Step 5: Solve for x
    x = 979,889,246.51/35,251.49
  6. Step 6: Final answer
    x = 27,797.10

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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.