Home / 31,965.40-48,005.70-30,928.60

Finding the Fourth Proportional to 31,965.40, 48,005.70 and 30,928.60

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Solution

The fourth proportional to 31,965.40, 48,005.70 and 30,928.60 is: 46,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,965.40 : 48,005.70 = 30,928.60 : x
  2. Step 2: Convert to fraction form
    31,965.40/48,005.70 = 30,928.60/x
  3. Step 3: Cross multiply
    31,965.40x = 48,005.70 × 30,928.60
  4. Step 4: Simplify right side
    31,965.40x = 1,484,749,093.02
  5. Step 5: Solve for x
    x = 1,484,749,093.02/31,965.40
  6. Step 6: Final answer
    x = 46,448.63

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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.