Home / 31,236.40-46,854.60-18,794.80

Finding the Fourth Proportional to 31,236.40, 46,854.60 and 18,794.80

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Solution

The fourth proportional to 31,236.40, 46,854.60 and 18,794.80 is: 28,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.40 : 46,854.60 = 18,794.80 : x
  2. Step 2: Convert to fraction form
    31,236.40/46,854.60 = 18,794.80/x
  3. Step 3: Cross multiply
    31,236.40x = 46,854.60 × 18,794.80
  4. Step 4: Simplify right side
    31,236.40x = 880,622,836.08
  5. Step 5: Solve for x
    x = 880,622,836.08/31,236.40
  6. Step 6: Final answer
    x = 28,192.20

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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.