Home / 42,310.94-63,459.24-19,823.96

Finding the Fourth Proportional to 42,310.94, 63,459.24 and 19,823.96

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Solution

The fourth proportional to 42,310.94, 63,459.24 and 19,823.96 is: 29,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,310.94 : 63,459.24 = 19,823.96 : x
  2. Step 2: Convert to fraction form
    42,310.94/63,459.24 = 19,823.96/x
  3. Step 3: Cross multiply
    42,310.94x = 63,459.24 × 19,823.96
  4. Step 4: Simplify right side
    42,310.94x = 1,258,013,435.39
  5. Step 5: Solve for x
    x = 1,258,013,435.39/42,310.94
  6. Step 6: Final answer
    x = 29,732.58

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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.