Home / 30,844.84-42,563.40-17,419.36

Finding the Fourth Proportional to 30,844.84, 42,563.40 and 17,419.36

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Solution

The fourth proportional to 30,844.84, 42,563.40 and 17,419.36 is: 24,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,844.84 : 42,563.40 = 17,419.36 : x
  2. Step 2: Convert to fraction form
    30,844.84/42,563.40 = 17,419.36/x
  3. Step 3: Cross multiply
    30,844.84x = 42,563.40 × 17,419.36
  4. Step 4: Simplify right side
    30,844.84x = 741,427,187.42
  5. Step 5: Solve for x
    x = 741,427,187.42/30,844.84
  6. Step 6: Final answer
    x = 24,037.32

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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.