Home / 31,000.80-46,544.40-19,336.80

Finding the Fourth Proportional to 31,000.80, 46,544.40 and 19,336.80

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Solution

The fourth proportional to 31,000.80, 46,544.40 and 19,336.80 is: 29,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,000.80 : 46,544.40 = 19,336.80 : x
  2. Step 2: Convert to fraction form
    31,000.80/46,544.40 = 19,336.80/x
  3. Step 3: Cross multiply
    31,000.80x = 46,544.40 × 19,336.80
  4. Step 4: Simplify right side
    31,000.80x = 900,019,753.92
  5. Step 5: Solve for x
    x = 900,019,753.92/31,000.80
  6. Step 6: Final answer
    x = 29,032.15

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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.