Home / 55,812.90-77,017.82-31,606.93

Finding the Fourth Proportional to 55,812.90, 77,017.82 and 31,606.93

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Solution

The fourth proportional to 55,812.90, 77,017.82 and 31,606.93 is: 43,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,812.90 : 77,017.82 = 31,606.93 : x
  2. Step 2: Convert to fraction form
    55,812.90/77,017.82 = 31,606.93/x
  3. Step 3: Cross multiply
    55,812.90x = 77,017.82 × 31,606.93
  4. Step 4: Simplify right side
    55,812.90x = 2,434,296,845.49
  5. Step 5: Solve for x
    x = 2,434,296,845.49/55,812.90
  6. Step 6: Final answer
    x = 43,615.31

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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.