Home / 55,081.74-76,006.62-31,203.30

Finding the Fourth Proportional to 55,081.74, 76,006.62 and 31,203.30

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Solution

The fourth proportional to 55,081.74, 76,006.62 and 31,203.30 is: 43,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,081.74 : 76,006.62 = 31,203.30 : x
  2. Step 2: Convert to fraction form
    55,081.74/76,006.62 = 31,203.30/x
  3. Step 3: Cross multiply
    55,081.74x = 76,006.62 × 31,203.30
  4. Step 4: Simplify right side
    55,081.74x = 2,371,657,365.85
  5. Step 5: Solve for x
    x = 2,371,657,365.85/55,081.74
  6. Step 6: Final answer
    x = 43,057.05

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1.5x scale

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.