Home / 55,925.37-77,177.02-30,774.87

Finding the Fourth Proportional to 55,925.37, 77,177.02 and 30,774.87

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Solution

The fourth proportional to 55,925.37, 77,177.02 and 30,774.87 is: 42,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925.37 : 77,177.02 = 30,774.87 : x
  2. Step 2: Convert to fraction form
    55,925.37/77,177.02 = 30,774.87/x
  3. Step 3: Cross multiply
    55,925.37x = 77,177.02 × 30,774.87
  4. Step 4: Simplify right side
    55,925.37x = 2,375,112,738.25
  5. Step 5: Solve for x
    x = 2,375,112,738.25/55,925.37
  6. Step 6: Final answer
    x = 42,469.33

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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.