Home / 30,707.27-46,064.19-8,520.73

Finding the Fourth Proportional to 30,707.27, 46,064.19 and 8,520.73

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Solution

The fourth proportional to 30,707.27, 46,064.19 and 8,520.73 is: 12,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,707.27 : 46,064.19 = 8,520.73 : x
  2. Step 2: Convert to fraction form
    30,707.27/46,064.19 = 8,520.73/x
  3. Step 3: Cross multiply
    30,707.27x = 46,064.19 × 8,520.73
  4. Step 4: Simplify right side
    30,707.27x = 392,500,442.45
  5. Step 5: Solve for x
    x = 392,500,442.45/30,707.27
  6. Step 6: Final answer
    x = 12,782.00

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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.