Home / 55,495.06-76,583.25-31,621.66

Finding the Fourth Proportional to 55,495.06, 76,583.25 and 31,621.66

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Solution

The fourth proportional to 55,495.06, 76,583.25 and 31,621.66 is: 43,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,495.06 : 76,583.25 = 31,621.66 : x
  2. Step 2: Convert to fraction form
    55,495.06/76,583.25 = 31,621.66/x
  3. Step 3: Cross multiply
    55,495.06x = 76,583.25 × 31,621.66
  4. Step 4: Simplify right side
    55,495.06x = 2,421,689,493.20
  5. Step 5: Solve for x
    x = 2,421,689,493.20/55,495.06
  6. Step 6: Final answer
    x = 43,637.93

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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.