Home / 42,122.28-63,183.39-10,957.53

Finding the Fourth Proportional to 42,122.28, 63,183.39 and 10,957.53

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Solution

The fourth proportional to 42,122.28, 63,183.39 and 10,957.53 is: 16,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.28 : 63,183.39 = 10,957.53 : x
  2. Step 2: Convert to fraction form
    42,122.28/63,183.39 = 10,957.53/x
  3. Step 3: Cross multiply
    42,122.28x = 63,183.39 × 10,957.53
  4. Step 4: Simplify right side
    42,122.28x = 692,333,891.43
  5. Step 5: Solve for x
    x = 692,333,891.43/42,122.28
  6. Step 6: Final answer
    x = 16,436.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.