Home / 31,286.24-46,948.80-12,818.24

Finding the Fourth Proportional to 31,286.24, 46,948.80 and 12,818.24

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Solution

The fourth proportional to 31,286.24, 46,948.80 and 12,818.24 is: 19,235.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,286.24 : 46,948.80 = 12,818.24 : x
  2. Step 2: Convert to fraction form
    31,286.24/46,948.80 = 12,818.24/x
  3. Step 3: Cross multiply
    31,286.24x = 46,948.80 × 12,818.24
  4. Step 4: Simplify right side
    31,286.24x = 601,800,986.11
  5. Step 5: Solve for x
    x = 601,800,986.11/31,286.24
  6. Step 6: Final answer
    x = 19,235.32

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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.