Home / 42,042.95-63,064.43-39,940.73

Finding the Fourth Proportional to 42,042.95, 63,064.43 and 39,940.73

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Solution

The fourth proportional to 42,042.95, 63,064.43 and 39,940.73 is: 59,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,042.95 : 63,064.43 = 39,940.73 : x
  2. Step 2: Convert to fraction form
    42,042.95/63,064.43 = 39,940.73/x
  3. Step 3: Cross multiply
    42,042.95x = 63,064.43 × 39,940.73
  4. Step 4: Simplify right side
    42,042.95x = 2,518,838,856.21
  5. Step 5: Solve for x
    x = 2,518,838,856.21/42,042.95
  6. Step 6: Final answer
    x = 59,911.09

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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.