Home / 31,485.60-43,454.88-23,919.52

Finding the Fourth Proportional to 31,485.60, 43,454.88 and 23,919.52

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Solution

The fourth proportional to 31,485.60, 43,454.88 and 23,919.52 is: 33,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485.60 : 43,454.88 = 23,919.52 : x
  2. Step 2: Convert to fraction form
    31,485.60/43,454.88 = 23,919.52/x
  3. Step 3: Cross multiply
    31,485.60x = 43,454.88 × 23,919.52
  4. Step 4: Simplify right side
    31,485.60x = 1,039,419,871.26
  5. Step 5: Solve for x
    x = 1,039,419,871.26/31,485.60
  6. Step 6: Final answer
    x = 33,012.55

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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.