Home / 55,578.81-76,698.04-31,705.88

Finding the Fourth Proportional to 55,578.81, 76,698.04 and 31,705.88

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Solution

The fourth proportional to 55,578.81, 76,698.04 and 31,705.88 is: 43,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.81 : 76,698.04 = 31,705.88 : x
  2. Step 2: Convert to fraction form
    55,578.81/76,698.04 = 31,705.88/x
  3. Step 3: Cross multiply
    55,578.81x = 76,698.04 × 31,705.88
  4. Step 4: Simplify right side
    55,578.81x = 2,431,778,852.48
  5. Step 5: Solve for x
    x = 2,431,778,852.48/55,578.81
  6. Step 6: Final answer
    x = 43,753.70

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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.