Home / 55,762.13-76,941.81-31,562.97

Finding the Fourth Proportional to 55,762.13, 76,941.81 and 31,562.97

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Solution

The fourth proportional to 55,762.13, 76,941.81 and 31,562.97 is: 43,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,762.13 : 76,941.81 = 31,562.97 : x
  2. Step 2: Convert to fraction form
    55,762.13/76,941.81 = 31,562.97/x
  3. Step 3: Cross multiply
    55,762.13x = 76,941.81 × 31,562.97
  4. Step 4: Simplify right side
    55,762.13x = 2,428,512,040.78
  5. Step 5: Solve for x
    x = 2,428,512,040.78/55,762.13
  6. Step 6: Final answer
    x = 43,551.28

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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.