Home / 55,052.10-75,972.60-31,178.34

Finding the Fourth Proportional to 55,052.10, 75,972.60 and 31,178.34

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Solution

The fourth proportional to 55,052.10, 75,972.60 and 31,178.34 is: 43,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,052.10 : 75,972.60 = 31,178.34 : x
  2. Step 2: Convert to fraction form
    55,052.10/75,972.60 = 31,178.34/x
  3. Step 3: Cross multiply
    55,052.10x = 75,972.60 × 31,178.34
  4. Step 4: Simplify right side
    55,052.10x = 2,368,699,553.48
  5. Step 5: Solve for x
    x = 2,368,699,553.48/55,052.10
  6. Step 6: Final answer
    x = 43,026.51

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1.5x scale

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.