Home / 49,127.31-67,792.73-28,990.50

Finding the Fourth Proportional to 49,127.31, 67,792.73 and 28,990.50

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Solution

The fourth proportional to 49,127.31, 67,792.73 and 28,990.50 is: 40,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,127.31 : 67,792.73 = 28,990.50 : x
  2. Step 2: Convert to fraction form
    49,127.31/67,792.73 = 28,990.50/x
  3. Step 3: Cross multiply
    49,127.31x = 67,792.73 × 28,990.50
  4. Step 4: Simplify right side
    49,127.31x = 1,965,344,994.11
  5. Step 5: Solve for x
    x = 1,965,344,994.11/49,127.31
  6. Step 6: Final answer
    x = 40,005.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.