Home / 55,731.88-76,850.34-42,150.76

Finding the Fourth Proportional to 55,731.88, 76,850.34 and 42,150.76

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Solution

The fourth proportional to 55,731.88, 76,850.34 and 42,150.76 is: 58,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731.88 : 76,850.34 = 42,150.76 : x
  2. Step 2: Convert to fraction form
    55,731.88/76,850.34 = 42,150.76/x
  3. Step 3: Cross multiply
    55,731.88x = 76,850.34 × 42,150.76
  4. Step 4: Simplify right side
    55,731.88x = 3,239,300,237.26
  5. Step 5: Solve for x
    x = 3,239,300,237.26/55,731.88
  6. Step 6: Final answer
    x = 58,122.93

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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.