Home / 42,579.84-63,870.24-16,285.92

Finding the Fourth Proportional to 42,579.84, 63,870.24 and 16,285.92

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Solution

The fourth proportional to 42,579.84, 63,870.24 and 16,285.92 is: 24,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579.84 : 63,870.24 = 16,285.92 : x
  2. Step 2: Convert to fraction form
    42,579.84/63,870.24 = 16,285.92/x
  3. Step 3: Cross multiply
    42,579.84x = 63,870.24 × 16,285.92
  4. Step 4: Simplify right side
    42,579.84x = 1,040,185,619.02
  5. Step 5: Solve for x
    x = 1,040,185,619.02/42,579.84
  6. Step 6: Final answer
    x = 24,429.06

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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.