Home / 35,650.94-53,517.83-20,870.47

Finding the Fourth Proportional to 35,650.94, 53,517.83 and 20,870.47

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Solution

The fourth proportional to 35,650.94, 53,517.83 and 20,870.47 is: 31,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,650.94 : 53,517.83 = 20,870.47 : x
  2. Step 2: Convert to fraction form
    35,650.94/53,517.83 = 20,870.47/x
  3. Step 3: Cross multiply
    35,650.94x = 53,517.83 × 20,870.47
  4. Step 4: Simplify right side
    35,650.94x = 1,116,942,027.33
  5. Step 5: Solve for x
    x = 1,116,942,027.33/35,650.94
  6. Step 6: Final answer
    x = 31,329.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.