Home / 55,629.96-76,767.90-31,101

Finding the Fourth Proportional to 55,629.96, 76,767.90 and 31,101

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Solution

The fourth proportional to 55,629.96, 76,767.90 and 31,101 is: 42,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.96 : 76,767.90 = 31,101 : x
  2. Step 2: Convert to fraction form
    55,629.96/76,767.90 = 31,101/x
  3. Step 3: Cross multiply
    55,629.96x = 76,767.90 × 31,101
  4. Step 4: Simplify right side
    55,629.96x = 2,387,558,457.90
  5. Step 5: Solve for x
    x = 2,387,558,457.90/55,629.96
  6. Step 6: Final answer
    x = 42,918.57

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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.