Home / 40,943.73-61,415.70-12,480.94

Finding the Fourth Proportional to 40,943.73, 61,415.70 and 12,480.94

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Solution

The fourth proportional to 40,943.73, 61,415.70 and 12,480.94 is: 18,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943.73 : 61,415.70 = 12,480.94 : x
  2. Step 2: Convert to fraction form
    40,943.73/61,415.70 = 12,480.94/x
  3. Step 3: Cross multiply
    40,943.73x = 61,415.70 × 12,480.94
  4. Step 4: Simplify right side
    40,943.73x = 766,525,666.76
  5. Step 5: Solve for x
    x = 766,525,666.76/40,943.73
  6. Step 6: Final answer
    x = 18,721.44

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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.