Home / 31,204.10-46,806.35-12,485.70

Finding the Fourth Proportional to 31,204.10, 46,806.35 and 12,485.70

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Solution

The fourth proportional to 31,204.10, 46,806.35 and 12,485.70 is: 18,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.10 : 46,806.35 = 12,485.70 : x
  2. Step 2: Convert to fraction form
    31,204.10/46,806.35 = 12,485.70/x
  3. Step 3: Cross multiply
    31,204.10x = 46,806.35 × 12,485.70
  4. Step 4: Simplify right side
    31,204.10x = 584,410,044.20
  5. Step 5: Solve for x
    x = 584,410,044.20/31,204.10
  6. Step 6: Final answer
    x = 18,728.63

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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.