Home / 58,015.71-80,076.20-35,646.75

Finding the Fourth Proportional to 58,015.71, 80,076.20 and 35,646.75

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Solution

The fourth proportional to 58,015.71, 80,076.20 and 35,646.75 is: 49,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,015.71 : 80,076.20 = 35,646.75 : x
  2. Step 2: Convert to fraction form
    58,015.71/80,076.20 = 35,646.75/x
  3. Step 3: Cross multiply
    58,015.71x = 80,076.20 × 35,646.75
  4. Step 4: Simplify right side
    58,015.71x = 2,854,456,104.12
  5. Step 5: Solve for x
    x = 2,854,456,104.12/58,015.71
  6. Step 6: Final answer
    x = 49,201.43

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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.