Home / 30,685.20-46,038.60-29,605.20

Finding the Fourth Proportional to 30,685.20, 46,038.60 and 29,605.20

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Solution

The fourth proportional to 30,685.20, 46,038.60 and 29,605.20 is: 44,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,685.20 : 46,038.60 = 29,605.20 : x
  2. Step 2: Convert to fraction form
    30,685.20/46,038.60 = 29,605.20/x
  3. Step 3: Cross multiply
    30,685.20x = 46,038.60 × 29,605.20
  4. Step 4: Simplify right side
    30,685.20x = 1,362,981,960.72
  5. Step 5: Solve for x
    x = 1,362,981,960.72/30,685.20
  6. Step 6: Final answer
    x = 44,418.22

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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.