Home / 55,283.04-76,271.76-31,408.56

Finding the Fourth Proportional to 55,283.04, 76,271.76 and 31,408.56

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Solution

The fourth proportional to 55,283.04, 76,271.76 and 31,408.56 is: 43,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.04 : 76,271.76 = 31,408.56 : x
  2. Step 2: Convert to fraction form
    55,283.04/76,271.76 = 31,408.56/x
  3. Step 3: Cross multiply
    55,283.04x = 76,271.76 × 31,408.56
  4. Step 4: Simplify right side
    55,283.04x = 2,395,586,150.27
  5. Step 5: Solve for x
    x = 2,395,586,150.27/55,283.04
  6. Step 6: Final answer
    x = 43,333.11

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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.