Home / 31,173.80-46,760.76-7,800.30

Finding the Fourth Proportional to 31,173.80, 46,760.76 and 7,800.30

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Solution

The fourth proportional to 31,173.80, 46,760.76 and 7,800.30 is: 11,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,173.80 : 46,760.76 = 7,800.30 : x
  2. Step 2: Convert to fraction form
    31,173.80/46,760.76 = 7,800.30/x
  3. Step 3: Cross multiply
    31,173.80x = 46,760.76 × 7,800.30
  4. Step 4: Simplify right side
    31,173.80x = 364,747,956.23
  5. Step 5: Solve for x
    x = 364,747,956.23/31,173.80
  6. Step 6: Final answer
    x = 11,700.47

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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.