Home / 49,809.81-68,737.10-27,148.80

Finding the Fourth Proportional to 49,809.81, 68,737.10 and 27,148.80

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Solution

The fourth proportional to 49,809.81, 68,737.10 and 27,148.80 is: 37,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,809.81 : 68,737.10 = 27,148.80 : x
  2. Step 2: Convert to fraction form
    49,809.81/68,737.10 = 27,148.80/x
  3. Step 3: Cross multiply
    49,809.81x = 68,737.10 × 27,148.80
  4. Step 4: Simplify right side
    49,809.81x = 1,866,129,712.61
  5. Step 5: Solve for x
    x = 1,866,129,712.61/49,809.81
  6. Step 6: Final answer
    x = 37,465.11

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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.