Home / 42,312.73-63,511.81-18,630.83

Finding the Fourth Proportional to 42,312.73, 63,511.81 and 18,630.83

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Solution

The fourth proportional to 42,312.73, 63,511.81 and 18,630.83 is: 27,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,312.73 : 63,511.81 = 18,630.83 : x
  2. Step 2: Convert to fraction form
    42,312.73/63,511.81 = 18,630.83/x
  3. Step 3: Cross multiply
    42,312.73x = 63,511.81 × 18,630.83
  4. Step 4: Simplify right side
    42,312.73x = 1,183,277,324.39
  5. Step 5: Solve for x
    x = 1,183,277,324.39/42,312.73
  6. Step 6: Final answer
    x = 27,965.04

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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.